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How to Tell a Good Scientific Study From a Bad One

By: mike rothschild, there are a lot of studies out there..

According to a 2015 report from the International Association of Scientific, Technical and Medical Publishers, there are as many as 28,000 English-language journals, publishing 2.5 million articles every year, covering new advances in every field from astronomy to zoology.

It's easy to assume that all of these journals are top-quality publishing outfits, working with only the best scientists to disseminate the best research. But the quality of scientific studies varies greatly. Some are excellent, but countless others have grievous design flaws or reach unsupported conclusions.

And unfortunately, when the media gets hold of a supposedly earthshaking new study, the findings tend to be reported on with little skepticism or investigation. Studies are complex by design, and the reporting on them by non-scientists is simplistic and sensational. Because of that, it can be exceedingly difficult for the average reader to differentiate between a sound finding and pure hype.

"You should always assume that any surprising new study results you read about are exaggerated or spun to sound sensational and newsworthy," Brian Dunning, science writer and host of the podcast Skeptoid, told ATTN:. "Sometimes a charlatan is doing it deliberately to sell something, [and] sometimes a reporter is doing it for a good headline. But almost never does good, careful science turn up something revolutionary that's suddenly sprung upon the public."

How often do bad studies get published? Far more often than you might think.

"There is increasing concern that most current published research findings are false," Stanford researcher Dr. John Ioannidis wrote in a widely-cited 2005 paper . He claimed that because of bias, poor design, and financial relationships held by scientists, false findings "may be the majority or even the vast majority of published research claims."

So how does a non-scientist find the truth of what a study is really saying, divorced from the hype? Here are some questions you can ask yourself to determine if a study and its findings are reliable.

What is the study saying?

Any study that trumpets a conclusion that seems designed to get attention or clicks is something to be looked at carefully. Does the conclusion pass the smell test? Does it contradict everything we know about a subject? "The most common warning sign of bad science is a sensational and shocking finding," Dunning said. "Good science is meticulous, gradual, and careful."

Was it properly designed?

Most high-quality scientific studies are indexed by the National Center for Biotechnology Information on their clearinghouse website PubMed , an invaluable tool for lay people who want to get details on a research finding. The entire text often isn't available, but you can usually find a summary of the findings, called an abstract. You'll also be able to find the methodology, which will give you a clue as to whether the study was well-designed.

The gold standard of medical research design is the randomized controlled trial . It's a way to study a drug or treatment that eliminates as much bias on the part of the researchers as possible.

Clinical trials should have a control group of people not getting the drug, but a placebo. The assignment of the new drug and placebo should be random, and it should be double-blinded, with neither the researchers nor the participants knowing who's getting what. You should also confirm the the sample size is appropriately large enough to reach the conclusion the researchers say they've reached.

Was it peer-reviewed?

Another important trait to look for in a study is whether it's been read and critiqued by other researchers in that field, a process known as peer review. On his blog, Science Based Medicine , neurologist Steven Novella writes that "peer-review is a critical part of the functioning of the scientific community, of quality control, and the self corrective nature of science."

At minimum, the peer review process should act as a quality control for a journal. Reading and critique by peers can validate the study's findings, point out errors or bias, and determine whether a study is worth publishing or should be rejected. Most of the studies published on PubMed will have been peer-reviewed by other scientists.

But what if you can't access a study, can't find details on it, or can't make sense of what you do find? In that case, you'll want to go one level higher, to learn about the journal that published it.

Is it in a quality journal?

As Dunning discussed in a Skeptoid episode about journal hoaxing—"submitting a deliberately bad paper to journals, hoping to get it approved and published"—"the idea of having scientific papers published in respected journals is a good one. Not only does it provide published access to the research, but association with a respected journal tells readers that this research paper is high-quality science."

But not all journals are created equal. To get a sense of how respected a journal is in that particular field, look for the " impact factor ." This is a number that measures the frequency with which the average article in a journal has been cited. There's no consensus on what a "good" impact factor is, but the vast majority of journals have one under 10, and an extremely low one can be a red flag.

Did the researcher pay to have it published?

Because the journal business has exploded, there are a number of publications that don't charge readers, but accept submissions from researchers who pay for it. This is called "open-access."

While the idea of paying to be published seems like it would lead to poor studies getting wide exposure, open-access can be a valuable tool to help researchers just starting their careers get published. And many of the negative connotations of open-access, such as high fees and inherent low quality, are myths. As Dunning writes, "good open-access journals still employ top standards and have thorough peer review."

Did the researchers disclose their conflicts of interest?

In March 2016, a group of scientists wrote the National Library of Medicine asking to have researcher conflicts of interest and funding sources added to the publicly-available portion of a study's abstract on PubMed. This was in response to research that found a persistent pattern of studies funded by drug companies, medical device manufacturers, and food giants invariably reached results favorable to those companies.

PubMed started adding researcher conflicts to abstracts a year later, and they should be readily found for any recent study on the site. If a researcher won't disclose whether they've been paid by a test subject, it's a warning as to the study's bias.

Did anyone else reach the same conclusion?

"One study is not enough to claim enduring evidence of its finding," chief medical officer of the New York State Office of Mental Health Lloyd Sederer wrote in U.S. News and World Report. "It must be replicated by other investigators to demonstrate that the original study’s results were not just an accident or, worse, the product of poor design or inflated findings."

Sederer writes that while replicating the finding of a study can be a difficult process, and doesn't get the headlines that an initial finding does, it helps bring depth and clarity to the research. If you can't find another study that replicates what one group of researchers found, it's a sign that the initial study might have had problems.

Dunning describes the current system of study publishing as "imperfect, but still pretty good."

"Peer review, despite occasional failings, still weeds out most of the bad articles," he said. "And the best work still rarely has any choice but to go to [traditional] journals."

Unfortunately, the imperfections in the system mean that even if all the signs of a good study are there, the study still might not be good. Impact factor numbers can vary wildly depending on the discipline. Peer review can be sabotaged by bias and lack of expertise by reviewers. And open-access is plagued by predatory journals who will take money to publish almost anything.

Even theoretically good studies can be used to justify bad conclusions. An example of this is the recent controversy involving Gwyenth Paltrow's lifestyle website goop , which published several letters from scientists attacking a critic of the site, Toronto OBGYN Dr. Jennifer Gunter.

One of these scientists was Steven Gundry, a pioneer in the "lectin-free diet" craze. Gundry bragged that he had "published over 300 papers, chapters, and abstracts ... in peer-reviewed journals," singling out one study of 57 patients that Gundry claimed definitively proved that lectins (a protein found in leafy greens and beans) "cause human disease" through inflammation of the gut.

Without context, these would seem to cast Gundry as a giant of medical research. But oncologist and skeptic David Gorski pointed out a number of errors in Gundry's claims, including not having written a study indexed on PubMed in 13 years, and that Gundry's lectin paper likely invested too much meaning in preliminary findings.

The damage caused by bad studies, especially when the media overstates their findings, can be incalculable.

Probably the most infamous example was Andrew Wakefield's 1998 paper in influential British journal The Lancet , which linked autism with vaccination, using a tiny sample size to justify a conclusion that other scientists couldn't replicate.

The Lancet had an impact factor of 47.831 in 2016, and it performed its standard peer-review on the paper. All of these should have pointed to a durable research finding. But in the next decade, massive flaws cropped up in Wakefield's methodology, design, and ethics. Finally, the Lancet retracted the paper in 2010 after evidence surfaced that Wakefield had faked his conclusions, and he was disbarred for misconduct.

Sadly, the damage was done. Wakefield's research ignited an anti-vaccine movement driven by celebrities, paranoia, and bad science. Vaccination rates for measles, mumps, rubella, whooping cough, and other preventable diseases all dropped, leading to outbreaks in the U.S., Europe, and the developing world.

So even if all the signs of a study point toward it being high-quality, it might still turn out to be bad. And unfortunately, few people have the time, interest, or training to dig into the background of a study or expert.

"The best tool for the general public," Dunning said, "is to simply get in the habit of being gravely skeptical of anything that seems to make an improbably-big wave."

Have you ever researched a scientific study?

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Research papers are a large part of many college courses, and the quality of your paper will only be as good as your research. The internet makes research on almost any topic more convenient and accessible than in the past, but it also presents some challenges. With all the information that’s online, how do you know if you’re using a reliable source?

The following tips will help you tell a good source from one that’s biased, outdated, or inaccurate:

1.   Check the domain name

Look at the three letters at the end of the site’s domain name, such as “edu” (educational), “gov” (government), “org” (nonprofit), and “com” (commercial). Generally, .edu and .gov websites are credible, but beware of sites that use these suffixes in an attempt to mislead. Nonprofit websites may also contain reliable information, but take some time to consider the organization’s purpose and agenda to determine if it could be biased. Commercial websites, such as those of reputable news organizations, can also be good sources, but do some investigation to look for signs of reliability.

Also, you can check online to see who owns a domain name and whether the owner’s IP address is in the U.S. or abroad.

2.    Take a closer look at the source

Does the article or study have any authors listed? If so, do they cite or link to authoritative sources, or are they writing their own opinions without backing these up with facts? Are their credentials listed?

Additionally, check the date of publication. In some cases, it may not matter if the source is older or hasn’t been recently updated, but in fields of study where information can rapidly change, the data may be obsolete.

3.   Search for additional information to back up what you’ve found

As you find information, try to verify its authenticity and legitimacy using other reliable sites. If you find another credible site that contradicts your original source, further research may be required.

4.   Use certain sources only to jump-start additional research

Wikipedia offers a large volume of information, but because its entries are created in a collaborative effort involving many different users, its reliability can vary widely. In some cases, users deliberately place incorrect information on the site; in others, well-meaning users unintentionally introduce inaccuracies. For these reasons, you can use Wikipedia as a jumping-off point to spark more research, but not as a source on its own.

Individual blogs, online forums, chat rooms, etc.

Much like Wikipedia, sources such as individuals’ blogs, online forums and chat rooms can be used to fuel further research, but shouldn’t be relied upon as sources of dependable information.

If you have a question about the authenticity of a source, you can always reach out to your professor; the University Writing Center at The University of Texas at El Paso ; or the UTEP Library , which offers assistance via email ( [email protected] ), SMS (915-249-3383) and phone (915-747-5643 or 915-747-5638).

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What Makes a Good Research Study?

Find out what separates a solid research study from a so-so one..

Posted March 31, 2018

One day you read online that drinking coffee reduces the chances of having age-related memory decline . You start drinking coffee. The next month you read that drinking coffee increases your chances of having age-related memory decline. What gives? In this article, you will learn how to "decipher" research studies to figure out what a research study is really saying - and what it doesn't say. You'll also discover how to tell if the reporting on a particular study was accurate or not. Ask yourself the following six questions when looking at a research study. Keep in mind these are just six of the many factors that make up a "clean" study.

1. Did the study use a placebo , and were the staff blinded to treatment?

The brain is very susceptible to placebos. There is evidence that even when you tell study subjects (participants) that they are getting a placebo, they improve (Carvalho, et al., 2016). In pharmaceutical studies, the US Food and Drug Administration (FDA) requires pharmaceutical companies to do double-blind placebo-controlled studies. This means that the study subjects, the physicians dispensing the drug, and the clinicians rating the subjects' behavior don't know what subjects are getting - drug or placebo. This eliminates a lot of bias , and it helps show whether the drug actually works.

2. Was there a bogus/sham treatment?

A bogus/sham treatment is one in which subjects are given a treatment that looks very much like the real treatment, except for one major difference. The bogus/sham treatment doesn't actually provide the therapeutic part of the treatment. For example, some acupuncture studies use a sham/bogus treatment, such as a 2017 study by Ugurlu, et al. regarding acupuncture treatment for fibromyalgia .

Bogus/sham treatments, when compared to active treatments, help researchers discover whether the active treatment is what works, or the fact that people think they are getting the active treatment.

3. How many people were there in the study (N)?

Logic says the more people you have in a study, or the study's "N", the better chance you have of your study representing of the general population (the "generalizability" of a study). Let's say you're studying the effects of apple juice on ADHD symptoms, and you have a total N of ten people. By chance, seven of those ten people have severe ADHD, two have moderate ADHD, and one has mild ADHD. You now could throw off the results of your study because you have so many people with severe ADHD in the study. When you have more subjects, or a larger N, in a study, there is more of a chance that you would have people that have mild, moderate, and severe ADHD.

4. Were the study groups randomized?

A good study randomizes their subjects into the active treatment and placebo groups. This means that the subjects are in those particular groups by chance. This provides extra "backup" that the effects from a treatment were actually from that treatment, not from study staff bias.

5. Who conducted the research, and who is paying for it?

If the people that created a treatment are also testing a treatment, this is a concern. When you have a horse in the race, so to speak, it is more difficult to be unbiased. Another concern is if an entity with a vested interest in a particular study outcome is paying for that study. For example, if there is a study on the effectiveness of widgets, and the sole source of funding is Widgets are Wonderful, Inc., and the researchers are employees of Widgets are Wonderful, that study better have some seriously good methodology to help eliminate bias. Even better, an independent research group is funded by an organization without ties to the study outcome.

6. Was the article published in a refereed (peer-reviewed/scholarly) journal?

In a refereed journal, a manuscript is reviewed by other experts in the field before it is published as an article. The authors of the manuscript are not disclosed to the reviewers, in order to reduce possible bias. When we review manuscripts for a journal, there are three main categories: reject, meaning the article goes no further; accept, with revisions, meaning the authors must edit their article before resubmitting it for publication; and accept as written, which is rare, but once in a while there is a manuscript with such good research methodology and writing that no additional editing is needed.

When a journal is not refereed, the standard of inclusion into that journal is not as high. This means the quality of the research may not be up to the same standards. Look up the journal online to find out if it is a peer-reviewed journal.

If you don't have university access, you can at least access the abstracts of journal articles at Google Scholar . The abstract lets you know the study's methodology, the number of study subjects, the outcomes, and the author's conclusions.

You may also see the term "open-access" used to describe a journal. An open-access journal is one that users can freely access, without a subscription or fees. Some open-access journals are peer-reviewed, some are not.

Copyright 2018 Sarkis Media

Carvalho, C., Caetano, J. M., Cunha, L., Rebouta, P., Kaptchuk, T. J., & Kirsch, I. (2016). Open-label Placebo Treatment in Chronic Low Back Pain: A Randomized Controlled Trial. Pain, 157(12), 2766–2772. http://doi.org/10.1097/j.pain.0000000000000700

Uğurlu, F. G., Sezer, N., Aktekin, L., Fidan, F., Tok, F., & Akkuş, S. (2017). The effects of acupuncture versus sham acupuncture in the treatment of fibromyalgia: a randomized controlled clinical trial. Acta reumatologica portuguesa, (1).

Stephanie Moulton Sarkis, Ph.D., N.C.C., D.C.M.H.S., L.M.H.C ., is the author of Gaslighting: Recognize Manipulative and Emotionally Abusive People — and Break Free .

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A Practical Guide to Writing Quantitative and Qualitative Research Questions and Hypotheses in Scholarly Articles

Edward barroga.

1 Department of General Education, Graduate School of Nursing Science, St. Luke’s International University, Tokyo, Japan.

Glafera Janet Matanguihan

2 Department of Biological Sciences, Messiah University, Mechanicsburg, PA, USA.

The development of research questions and the subsequent hypotheses are prerequisites to defining the main research purpose and specific objectives of a study. Consequently, these objectives determine the study design and research outcome. The development of research questions is a process based on knowledge of current trends, cutting-edge studies, and technological advances in the research field. Excellent research questions are focused and require a comprehensive literature search and in-depth understanding of the problem being investigated. Initially, research questions may be written as descriptive questions which could be developed into inferential questions. These questions must be specific and concise to provide a clear foundation for developing hypotheses. Hypotheses are more formal predictions about the research outcomes. These specify the possible results that may or may not be expected regarding the relationship between groups. Thus, research questions and hypotheses clarify the main purpose and specific objectives of the study, which in turn dictate the design of the study, its direction, and outcome. Studies developed from good research questions and hypotheses will have trustworthy outcomes with wide-ranging social and health implications.

INTRODUCTION

Scientific research is usually initiated by posing evidenced-based research questions which are then explicitly restated as hypotheses. 1 , 2 The hypotheses provide directions to guide the study, solutions, explanations, and expected results. 3 , 4 Both research questions and hypotheses are essentially formulated based on conventional theories and real-world processes, which allow the inception of novel studies and the ethical testing of ideas. 5 , 6

It is crucial to have knowledge of both quantitative and qualitative research 2 as both types of research involve writing research questions and hypotheses. 7 However, these crucial elements of research are sometimes overlooked; if not overlooked, then framed without the forethought and meticulous attention it needs. Planning and careful consideration are needed when developing quantitative or qualitative research, particularly when conceptualizing research questions and hypotheses. 4

There is a continuing need to support researchers in the creation of innovative research questions and hypotheses, as well as for journal articles that carefully review these elements. 1 When research questions and hypotheses are not carefully thought of, unethical studies and poor outcomes usually ensue. Carefully formulated research questions and hypotheses define well-founded objectives, which in turn determine the appropriate design, course, and outcome of the study. This article then aims to discuss in detail the various aspects of crafting research questions and hypotheses, with the goal of guiding researchers as they develop their own. Examples from the authors and peer-reviewed scientific articles in the healthcare field are provided to illustrate key points.

DEFINITIONS AND RELATIONSHIP OF RESEARCH QUESTIONS AND HYPOTHESES

A research question is what a study aims to answer after data analysis and interpretation. The answer is written in length in the discussion section of the paper. Thus, the research question gives a preview of the different parts and variables of the study meant to address the problem posed in the research question. 1 An excellent research question clarifies the research writing while facilitating understanding of the research topic, objective, scope, and limitations of the study. 5

On the other hand, a research hypothesis is an educated statement of an expected outcome. This statement is based on background research and current knowledge. 8 , 9 The research hypothesis makes a specific prediction about a new phenomenon 10 or a formal statement on the expected relationship between an independent variable and a dependent variable. 3 , 11 It provides a tentative answer to the research question to be tested or explored. 4

Hypotheses employ reasoning to predict a theory-based outcome. 10 These can also be developed from theories by focusing on components of theories that have not yet been observed. 10 The validity of hypotheses is often based on the testability of the prediction made in a reproducible experiment. 8

Conversely, hypotheses can also be rephrased as research questions. Several hypotheses based on existing theories and knowledge may be needed to answer a research question. Developing ethical research questions and hypotheses creates a research design that has logical relationships among variables. These relationships serve as a solid foundation for the conduct of the study. 4 , 11 Haphazardly constructed research questions can result in poorly formulated hypotheses and improper study designs, leading to unreliable results. Thus, the formulations of relevant research questions and verifiable hypotheses are crucial when beginning research. 12

CHARACTERISTICS OF GOOD RESEARCH QUESTIONS AND HYPOTHESES

Excellent research questions are specific and focused. These integrate collective data and observations to confirm or refute the subsequent hypotheses. Well-constructed hypotheses are based on previous reports and verify the research context. These are realistic, in-depth, sufficiently complex, and reproducible. More importantly, these hypotheses can be addressed and tested. 13

There are several characteristics of well-developed hypotheses. Good hypotheses are 1) empirically testable 7 , 10 , 11 , 13 ; 2) backed by preliminary evidence 9 ; 3) testable by ethical research 7 , 9 ; 4) based on original ideas 9 ; 5) have evidenced-based logical reasoning 10 ; and 6) can be predicted. 11 Good hypotheses can infer ethical and positive implications, indicating the presence of a relationship or effect relevant to the research theme. 7 , 11 These are initially developed from a general theory and branch into specific hypotheses by deductive reasoning. In the absence of a theory to base the hypotheses, inductive reasoning based on specific observations or findings form more general hypotheses. 10

TYPES OF RESEARCH QUESTIONS AND HYPOTHESES

Research questions and hypotheses are developed according to the type of research, which can be broadly classified into quantitative and qualitative research. We provide a summary of the types of research questions and hypotheses under quantitative and qualitative research categories in Table 1 .

Research questions in quantitative research

In quantitative research, research questions inquire about the relationships among variables being investigated and are usually framed at the start of the study. These are precise and typically linked to the subject population, dependent and independent variables, and research design. 1 Research questions may also attempt to describe the behavior of a population in relation to one or more variables, or describe the characteristics of variables to be measured ( descriptive research questions ). 1 , 5 , 14 These questions may also aim to discover differences between groups within the context of an outcome variable ( comparative research questions ), 1 , 5 , 14 or elucidate trends and interactions among variables ( relationship research questions ). 1 , 5 We provide examples of descriptive, comparative, and relationship research questions in quantitative research in Table 2 .

Hypotheses in quantitative research

In quantitative research, hypotheses predict the expected relationships among variables. 15 Relationships among variables that can be predicted include 1) between a single dependent variable and a single independent variable ( simple hypothesis ) or 2) between two or more independent and dependent variables ( complex hypothesis ). 4 , 11 Hypotheses may also specify the expected direction to be followed and imply an intellectual commitment to a particular outcome ( directional hypothesis ) 4 . On the other hand, hypotheses may not predict the exact direction and are used in the absence of a theory, or when findings contradict previous studies ( non-directional hypothesis ). 4 In addition, hypotheses can 1) define interdependency between variables ( associative hypothesis ), 4 2) propose an effect on the dependent variable from manipulation of the independent variable ( causal hypothesis ), 4 3) state a negative relationship between two variables ( null hypothesis ), 4 , 11 , 15 4) replace the working hypothesis if rejected ( alternative hypothesis ), 15 explain the relationship of phenomena to possibly generate a theory ( working hypothesis ), 11 5) involve quantifiable variables that can be tested statistically ( statistical hypothesis ), 11 6) or express a relationship whose interlinks can be verified logically ( logical hypothesis ). 11 We provide examples of simple, complex, directional, non-directional, associative, causal, null, alternative, working, statistical, and logical hypotheses in quantitative research, as well as the definition of quantitative hypothesis-testing research in Table 3 .

Research questions in qualitative research

Unlike research questions in quantitative research, research questions in qualitative research are usually continuously reviewed and reformulated. The central question and associated subquestions are stated more than the hypotheses. 15 The central question broadly explores a complex set of factors surrounding the central phenomenon, aiming to present the varied perspectives of participants. 15

There are varied goals for which qualitative research questions are developed. These questions can function in several ways, such as to 1) identify and describe existing conditions ( contextual research question s); 2) describe a phenomenon ( descriptive research questions ); 3) assess the effectiveness of existing methods, protocols, theories, or procedures ( evaluation research questions ); 4) examine a phenomenon or analyze the reasons or relationships between subjects or phenomena ( explanatory research questions ); or 5) focus on unknown aspects of a particular topic ( exploratory research questions ). 5 In addition, some qualitative research questions provide new ideas for the development of theories and actions ( generative research questions ) or advance specific ideologies of a position ( ideological research questions ). 1 Other qualitative research questions may build on a body of existing literature and become working guidelines ( ethnographic research questions ). Research questions may also be broadly stated without specific reference to the existing literature or a typology of questions ( phenomenological research questions ), may be directed towards generating a theory of some process ( grounded theory questions ), or may address a description of the case and the emerging themes ( qualitative case study questions ). 15 We provide examples of contextual, descriptive, evaluation, explanatory, exploratory, generative, ideological, ethnographic, phenomenological, grounded theory, and qualitative case study research questions in qualitative research in Table 4 , and the definition of qualitative hypothesis-generating research in Table 5 .

Qualitative studies usually pose at least one central research question and several subquestions starting with How or What . These research questions use exploratory verbs such as explore or describe . These also focus on one central phenomenon of interest, and may mention the participants and research site. 15

Hypotheses in qualitative research

Hypotheses in qualitative research are stated in the form of a clear statement concerning the problem to be investigated. Unlike in quantitative research where hypotheses are usually developed to be tested, qualitative research can lead to both hypothesis-testing and hypothesis-generating outcomes. 2 When studies require both quantitative and qualitative research questions, this suggests an integrative process between both research methods wherein a single mixed-methods research question can be developed. 1

FRAMEWORKS FOR DEVELOPING RESEARCH QUESTIONS AND HYPOTHESES

Research questions followed by hypotheses should be developed before the start of the study. 1 , 12 , 14 It is crucial to develop feasible research questions on a topic that is interesting to both the researcher and the scientific community. This can be achieved by a meticulous review of previous and current studies to establish a novel topic. Specific areas are subsequently focused on to generate ethical research questions. The relevance of the research questions is evaluated in terms of clarity of the resulting data, specificity of the methodology, objectivity of the outcome, depth of the research, and impact of the study. 1 , 5 These aspects constitute the FINER criteria (i.e., Feasible, Interesting, Novel, Ethical, and Relevant). 1 Clarity and effectiveness are achieved if research questions meet the FINER criteria. In addition to the FINER criteria, Ratan et al. described focus, complexity, novelty, feasibility, and measurability for evaluating the effectiveness of research questions. 14

The PICOT and PEO frameworks are also used when developing research questions. 1 The following elements are addressed in these frameworks, PICOT: P-population/patients/problem, I-intervention or indicator being studied, C-comparison group, O-outcome of interest, and T-timeframe of the study; PEO: P-population being studied, E-exposure to preexisting conditions, and O-outcome of interest. 1 Research questions are also considered good if these meet the “FINERMAPS” framework: Feasible, Interesting, Novel, Ethical, Relevant, Manageable, Appropriate, Potential value/publishable, and Systematic. 14

As we indicated earlier, research questions and hypotheses that are not carefully formulated result in unethical studies or poor outcomes. To illustrate this, we provide some examples of ambiguous research question and hypotheses that result in unclear and weak research objectives in quantitative research ( Table 6 ) 16 and qualitative research ( Table 7 ) 17 , and how to transform these ambiguous research question(s) and hypothesis(es) into clear and good statements.

a These statements were composed for comparison and illustrative purposes only.

b These statements are direct quotes from Higashihara and Horiuchi. 16

a This statement is a direct quote from Shimoda et al. 17

The other statements were composed for comparison and illustrative purposes only.

CONSTRUCTING RESEARCH QUESTIONS AND HYPOTHESES

To construct effective research questions and hypotheses, it is very important to 1) clarify the background and 2) identify the research problem at the outset of the research, within a specific timeframe. 9 Then, 3) review or conduct preliminary research to collect all available knowledge about the possible research questions by studying theories and previous studies. 18 Afterwards, 4) construct research questions to investigate the research problem. Identify variables to be accessed from the research questions 4 and make operational definitions of constructs from the research problem and questions. Thereafter, 5) construct specific deductive or inductive predictions in the form of hypotheses. 4 Finally, 6) state the study aims . This general flow for constructing effective research questions and hypotheses prior to conducting research is shown in Fig. 1 .

Research questions are used more frequently in qualitative research than objectives or hypotheses. 3 These questions seek to discover, understand, explore or describe experiences by asking “What” or “How.” The questions are open-ended to elicit a description rather than to relate variables or compare groups. The questions are continually reviewed, reformulated, and changed during the qualitative study. 3 Research questions are also used more frequently in survey projects than hypotheses in experiments in quantitative research to compare variables and their relationships.

Hypotheses are constructed based on the variables identified and as an if-then statement, following the template, ‘If a specific action is taken, then a certain outcome is expected.’ At this stage, some ideas regarding expectations from the research to be conducted must be drawn. 18 Then, the variables to be manipulated (independent) and influenced (dependent) are defined. 4 Thereafter, the hypothesis is stated and refined, and reproducible data tailored to the hypothesis are identified, collected, and analyzed. 4 The hypotheses must be testable and specific, 18 and should describe the variables and their relationships, the specific group being studied, and the predicted research outcome. 18 Hypotheses construction involves a testable proposition to be deduced from theory, and independent and dependent variables to be separated and measured separately. 3 Therefore, good hypotheses must be based on good research questions constructed at the start of a study or trial. 12

In summary, research questions are constructed after establishing the background of the study. Hypotheses are then developed based on the research questions. Thus, it is crucial to have excellent research questions to generate superior hypotheses. In turn, these would determine the research objectives and the design of the study, and ultimately, the outcome of the research. 12 Algorithms for building research questions and hypotheses are shown in Fig. 2 for quantitative research and in Fig. 3 for qualitative research.

EXAMPLES OF RESEARCH QUESTIONS FROM PUBLISHED ARTICLES

• EXAMPLE 1. Descriptive research question (quantitative research)
• - Presents research variables to be assessed (distinct phenotypes and subphenotypes)
• “BACKGROUND: Since COVID-19 was identified, its clinical and biological heterogeneity has been recognized. Identifying COVID-19 phenotypes might help guide basic, clinical, and translational research efforts.
• RESEARCH QUESTION: Does the clinical spectrum of patients with COVID-19 contain distinct phenotypes and subphenotypes? ” 19
• EXAMPLE 2. Relationship research question (quantitative research)
• - Shows interactions between dependent variable (static postural control) and independent variable (peripheral visual field loss)
• “Background: Integration of visual, vestibular, and proprioceptive sensations contributes to postural control. People with peripheral visual field loss have serious postural instability. However, the directional specificity of postural stability and sensory reweighting caused by gradual peripheral visual field loss remain unclear.
• Research question: What are the effects of peripheral visual field loss on static postural control ?” 20
• EXAMPLE 3. Comparative research question (quantitative research)
• - Clarifies the difference among groups with an outcome variable (patients enrolled in COMPERA with moderate PH or severe PH in COPD) and another group without the outcome variable (patients with idiopathic pulmonary arterial hypertension (IPAH))
• “BACKGROUND: Pulmonary hypertension (PH) in COPD is a poorly investigated clinical condition.
• RESEARCH QUESTION: Which factors determine the outcome of PH in COPD?
• STUDY DESIGN AND METHODS: We analyzed the characteristics and outcome of patients enrolled in the Comparative, Prospective Registry of Newly Initiated Therapies for Pulmonary Hypertension (COMPERA) with moderate or severe PH in COPD as defined during the 6th PH World Symposium who received medical therapy for PH and compared them with patients with idiopathic pulmonary arterial hypertension (IPAH) .” 21
• EXAMPLE 4. Exploratory research question (qualitative research)
• - Explores areas that have not been fully investigated (perspectives of families and children who receive care in clinic-based child obesity treatment) to have a deeper understanding of the research problem
• “Problem: Interventions for children with obesity lead to only modest improvements in BMI and long-term outcomes, and data are limited on the perspectives of families of children with obesity in clinic-based treatment. This scoping review seeks to answer the question: What is known about the perspectives of families and children who receive care in clinic-based child obesity treatment? This review aims to explore the scope of perspectives reported by families of children with obesity who have received individualized outpatient clinic-based obesity treatment.” 22
• EXAMPLE 5. Relationship research question (quantitative research)
• - Defines interactions between dependent variable (use of ankle strategies) and independent variable (changes in muscle tone)
• “Background: To maintain an upright standing posture against external disturbances, the human body mainly employs two types of postural control strategies: “ankle strategy” and “hip strategy.” While it has been reported that the magnitude of the disturbance alters the use of postural control strategies, it has not been elucidated how the level of muscle tone, one of the crucial parameters of bodily function, determines the use of each strategy. We have previously confirmed using forward dynamics simulations of human musculoskeletal models that an increased muscle tone promotes the use of ankle strategies. The objective of the present study was to experimentally evaluate a hypothesis: an increased muscle tone promotes the use of ankle strategies. Research question: Do changes in the muscle tone affect the use of ankle strategies ?” 23

EXAMPLES OF HYPOTHESES IN PUBLISHED ARTICLES

• EXAMPLE 1. Working hypothesis (quantitative research)
• - A hypothesis that is initially accepted for further research to produce a feasible theory
• “As fever may have benefit in shortening the duration of viral illness, it is plausible to hypothesize that the antipyretic efficacy of ibuprofen may be hindering the benefits of a fever response when taken during the early stages of COVID-19 illness .” 24
• “In conclusion, it is plausible to hypothesize that the antipyretic efficacy of ibuprofen may be hindering the benefits of a fever response . The difference in perceived safety of these agents in COVID-19 illness could be related to the more potent efficacy to reduce fever with ibuprofen compared to acetaminophen. Compelling data on the benefit of fever warrant further research and review to determine when to treat or withhold ibuprofen for early stage fever for COVID-19 and other related viral illnesses .” 24
• EXAMPLE 2. Exploratory hypothesis (qualitative research)
• - Explores particular areas deeper to clarify subjective experience and develop a formal hypothesis potentially testable in a future quantitative approach
• “We hypothesized that when thinking about a past experience of help-seeking, a self distancing prompt would cause increased help-seeking intentions and more favorable help-seeking outcome expectations .” 25
• “Conclusion
• Although a priori hypotheses were not supported, further research is warranted as results indicate the potential for using self-distancing approaches to increasing help-seeking among some people with depressive symptomatology.” 25
• EXAMPLE 3. Hypothesis-generating research to establish a framework for hypothesis testing (qualitative research)
• “We hypothesize that compassionate care is beneficial for patients (better outcomes), healthcare systems and payers (lower costs), and healthcare providers (lower burnout). ” 26
• Compassionomics is the branch of knowledge and scientific study of the effects of compassionate healthcare. Our main hypotheses are that compassionate healthcare is beneficial for (1) patients, by improving clinical outcomes, (2) healthcare systems and payers, by supporting financial sustainability, and (3) HCPs, by lowering burnout and promoting resilience and well-being. The purpose of this paper is to establish a scientific framework for testing the hypotheses above . If these hypotheses are confirmed through rigorous research, compassionomics will belong in the science of evidence-based medicine, with major implications for all healthcare domains.” 26
• EXAMPLE 4. Statistical hypothesis (quantitative research)
• - An assumption is made about the relationship among several population characteristics ( gender differences in sociodemographic and clinical characteristics of adults with ADHD ). Validity is tested by statistical experiment or analysis ( chi-square test, Students t-test, and logistic regression analysis)
• “Our research investigated gender differences in sociodemographic and clinical characteristics of adults with ADHD in a Japanese clinical sample. Due to unique Japanese cultural ideals and expectations of women's behavior that are in opposition to ADHD symptoms, we hypothesized that women with ADHD experience more difficulties and present more dysfunctions than men . We tested the following hypotheses: first, women with ADHD have more comorbidities than men with ADHD; second, women with ADHD experience more social hardships than men, such as having less full-time employment and being more likely to be divorced.” 27
• “Statistical Analysis
• ( text omitted ) Between-gender comparisons were made using the chi-squared test for categorical variables and Students t-test for continuous variables…( text omitted ). A logistic regression analysis was performed for employment status, marital status, and comorbidity to evaluate the independent effects of gender on these dependent variables.” 27

EXAMPLES OF HYPOTHESIS AS WRITTEN IN PUBLISHED ARTICLES IN RELATION TO OTHER PARTS

• EXAMPLE 1. Background, hypotheses, and aims are provided
• “Pregnant women need skilled care during pregnancy and childbirth, but that skilled care is often delayed in some countries …( text omitted ). The focused antenatal care (FANC) model of WHO recommends that nurses provide information or counseling to all pregnant women …( text omitted ). Job aids are visual support materials that provide the right kind of information using graphics and words in a simple and yet effective manner. When nurses are not highly trained or have many work details to attend to, these job aids can serve as a content reminder for the nurses and can be used for educating their patients (Jennings, Yebadokpo, Affo, & Agbogbe, 2010) ( text omitted ). Importantly, additional evidence is needed to confirm how job aids can further improve the quality of ANC counseling by health workers in maternal care …( text omitted )” 28
• “ This has led us to hypothesize that the quality of ANC counseling would be better if supported by job aids. Consequently, a better quality of ANC counseling is expected to produce higher levels of awareness concerning the danger signs of pregnancy and a more favorable impression of the caring behavior of nurses .” 28
• “This study aimed to examine the differences in the responses of pregnant women to a job aid-supported intervention during ANC visit in terms of 1) their understanding of the danger signs of pregnancy and 2) their impression of the caring behaviors of nurses to pregnant women in rural Tanzania.” 28
• EXAMPLE 2. Background, hypotheses, and aims are provided
• “We conducted a two-arm randomized controlled trial (RCT) to evaluate and compare changes in salivary cortisol and oxytocin levels of first-time pregnant women between experimental and control groups. The women in the experimental group touched and held an infant for 30 min (experimental intervention protocol), whereas those in the control group watched a DVD movie of an infant (control intervention protocol). The primary outcome was salivary cortisol level and the secondary outcome was salivary oxytocin level.” 29
• “ We hypothesize that at 30 min after touching and holding an infant, the salivary cortisol level will significantly decrease and the salivary oxytocin level will increase in the experimental group compared with the control group .” 29
• EXAMPLE 3. Background, aim, and hypothesis are provided
• “In countries where the maternal mortality ratio remains high, antenatal education to increase Birth Preparedness and Complication Readiness (BPCR) is considered one of the top priorities [1]. BPCR includes birth plans during the antenatal period, such as the birthplace, birth attendant, transportation, health facility for complications, expenses, and birth materials, as well as family coordination to achieve such birth plans. In Tanzania, although increasing, only about half of all pregnant women attend an antenatal clinic more than four times [4]. Moreover, the information provided during antenatal care (ANC) is insufficient. In the resource-poor settings, antenatal group education is a potential approach because of the limited time for individual counseling at antenatal clinics.” 30
• “This study aimed to evaluate an antenatal group education program among pregnant women and their families with respect to birth-preparedness and maternal and infant outcomes in rural villages of Tanzania.” 30
• “ The study hypothesis was if Tanzanian pregnant women and their families received a family-oriented antenatal group education, they would (1) have a higher level of BPCR, (2) attend antenatal clinic four or more times, (3) give birth in a health facility, (4) have less complications of women at birth, and (5) have less complications and deaths of infants than those who did not receive the education .” 30

Research questions and hypotheses are crucial components to any type of research, whether quantitative or qualitative. These questions should be developed at the very beginning of the study. Excellent research questions lead to superior hypotheses, which, like a compass, set the direction of research, and can often determine the successful conduct of the study. Many research studies have floundered because the development of research questions and subsequent hypotheses was not given the thought and meticulous attention needed. The development of research questions and hypotheses is an iterative process based on extensive knowledge of the literature and insightful grasp of the knowledge gap. Focused, concise, and specific research questions provide a strong foundation for constructing hypotheses which serve as formal predictions about the research outcomes. Research questions and hypotheses are crucial elements of research that should not be overlooked. They should be carefully thought of and constructed when planning research. This avoids unethical studies and poor outcomes by defining well-founded objectives that determine the design, course, and outcome of the study.

Disclosure: The authors have no potential conflicts of interest to disclose.

Author Contributions:

• Conceptualization: Barroga E, Matanguihan GJ.
• Methodology: Barroga E, Matanguihan GJ.
• Writing - original draft: Barroga E, Matanguihan GJ.
• Writing - review & editing: Barroga E, Matanguihan GJ.

What makes a high quality clinical research paper?

Affiliation.

• 1 BMJ, London, UK. [email protected]
• PMID: 20233312
• DOI: 10.1111/j.1601-0825.2010.01663.x

The quality of a research paper depends primarily on the quality of the research study it reports. However, there is also much that authors can do to maximise the clarity and usefulness of their papers. Journals' instructions for authors often focus on the format, style, and length of articles but do not always emphasise the need to clearly explain the work's science and ethics: so this review reminds researchers that transparency is important too. The research question should be stated clearly, along with an explanation of where it came from and why it is important. The study methods must be reported fully and, where appropriate, in line with an evidence based reporting guideline such as the CONSORT statement for randomised controlled trials. If the study was a trial the paper should state where and when the study was registered and state its registration identifier. Finally, any relevant conflicts of interest should be declared.

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Home » Research Paper – Structure, Examples and Writing Guide

Research Paper – Structure, Examples and Writing Guide

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Research Paper

Definition:

Research Paper is a written document that presents the author’s original research, analysis, and interpretation of a specific topic or issue.

It is typically based on Empirical Evidence, and may involve qualitative or quantitative research methods, or a combination of both. The purpose of a research paper is to contribute new knowledge or insights to a particular field of study, and to demonstrate the author’s understanding of the existing literature and theories related to the topic.

Structure of Research Paper

The structure of a research paper typically follows a standard format, consisting of several sections that convey specific information about the research study. The following is a detailed explanation of the structure of a research paper:

The title page contains the title of the paper, the name(s) of the author(s), and the affiliation(s) of the author(s). It also includes the date of submission and possibly, the name of the journal or conference where the paper is to be published.

The abstract is a brief summary of the research paper, typically ranging from 100 to 250 words. It should include the research question, the methods used, the key findings, and the implications of the results. The abstract should be written in a concise and clear manner to allow readers to quickly grasp the essence of the research.

Introduction

The introduction section of a research paper provides background information about the research problem, the research question, and the research objectives. It also outlines the significance of the research, the research gap that it aims to fill, and the approach taken to address the research question. Finally, the introduction section ends with a clear statement of the research hypothesis or research question.

Literature Review

The literature review section of a research paper provides an overview of the existing literature on the topic of study. It includes a critical analysis and synthesis of the literature, highlighting the key concepts, themes, and debates. The literature review should also demonstrate the research gap and how the current study seeks to address it.

The methods section of a research paper describes the research design, the sample selection, the data collection and analysis procedures, and the statistical methods used to analyze the data. This section should provide sufficient detail for other researchers to replicate the study.

The results section presents the findings of the research, using tables, graphs, and figures to illustrate the data. The findings should be presented in a clear and concise manner, with reference to the research question and hypothesis.

The discussion section of a research paper interprets the findings and discusses their implications for the research question, the literature review, and the field of study. It should also address the limitations of the study and suggest future research directions.

The conclusion section summarizes the main findings of the study, restates the research question and hypothesis, and provides a final reflection on the significance of the research.

The references section provides a list of all the sources cited in the paper, following a specific citation style such as APA, MLA or Chicago.

How to Write Research Paper

You can write Research Paper by the following guide:

• Choose a Topic: The first step is to select a topic that interests you and is relevant to your field of study. Brainstorm ideas and narrow down to a research question that is specific and researchable.
• Conduct a Literature Review: The literature review helps you identify the gap in the existing research and provides a basis for your research question. It also helps you to develop a theoretical framework and research hypothesis.
• Develop a Thesis Statement : The thesis statement is the main argument of your research paper. It should be clear, concise and specific to your research question.
• Plan your Research: Develop a research plan that outlines the methods, data sources, and data analysis procedures. This will help you to collect and analyze data effectively.
• Collect and Analyze Data: Collect data using various methods such as surveys, interviews, observations, or experiments. Analyze data using statistical tools or other qualitative methods.
• Organize your Paper : Organize your paper into sections such as Introduction, Literature Review, Methods, Results, Discussion, and Conclusion. Ensure that each section is coherent and follows a logical flow.
• Write your Paper : Start by writing the introduction, followed by the literature review, methods, results, discussion, and conclusion. Ensure that your writing is clear, concise, and follows the required formatting and citation styles.
• Edit and Proofread your Paper: Review your paper for grammar and spelling errors, and ensure that it is well-structured and easy to read. Ask someone else to review your paper to get feedback and suggestions for improvement.
• Cite your Sources: Ensure that you properly cite all sources used in your research paper. This is essential for giving credit to the original authors and avoiding plagiarism.

Research Paper Example

Note : The below example research paper is for illustrative purposes only and is not an actual research paper. Actual research papers may have different structures, contents, and formats depending on the field of study, research question, data collection and analysis methods, and other factors. Students should always consult with their professors or supervisors for specific guidelines and expectations for their research papers.

Research Paper Example sample for Students:

Title: The Impact of Social Media on Mental Health among Young Adults

Abstract: This study aims to investigate the impact of social media use on the mental health of young adults. A literature review was conducted to examine the existing research on the topic. A survey was then administered to 200 university students to collect data on their social media use, mental health status, and perceived impact of social media on their mental health. The results showed that social media use is positively associated with depression, anxiety, and stress. The study also found that social comparison, cyberbullying, and FOMO (Fear of Missing Out) are significant predictors of mental health problems among young adults.

Introduction: Social media has become an integral part of modern life, particularly among young adults. While social media has many benefits, including increased communication and social connectivity, it has also been associated with negative outcomes, such as addiction, cyberbullying, and mental health problems. This study aims to investigate the impact of social media use on the mental health of young adults.

Literature Review: The literature review highlights the existing research on the impact of social media use on mental health. The review shows that social media use is associated with depression, anxiety, stress, and other mental health problems. The review also identifies the factors that contribute to the negative impact of social media, including social comparison, cyberbullying, and FOMO.

Methods : A survey was administered to 200 university students to collect data on their social media use, mental health status, and perceived impact of social media on their mental health. The survey included questions on social media use, mental health status (measured using the DASS-21), and perceived impact of social media on their mental health. Data were analyzed using descriptive statistics and regression analysis.

Results : The results showed that social media use is positively associated with depression, anxiety, and stress. The study also found that social comparison, cyberbullying, and FOMO are significant predictors of mental health problems among young adults.

Discussion : The study’s findings suggest that social media use has a negative impact on the mental health of young adults. The study highlights the need for interventions that address the factors contributing to the negative impact of social media, such as social comparison, cyberbullying, and FOMO.

Conclusion : In conclusion, social media use has a significant impact on the mental health of young adults. The study’s findings underscore the need for interventions that promote healthy social media use and address the negative outcomes associated with social media use. Future research can explore the effectiveness of interventions aimed at reducing the negative impact of social media on mental health. Additionally, longitudinal studies can investigate the long-term effects of social media use on mental health.

Limitations : The study has some limitations, including the use of self-report measures and a cross-sectional design. The use of self-report measures may result in biased responses, and a cross-sectional design limits the ability to establish causality.

Implications: The study’s findings have implications for mental health professionals, educators, and policymakers. Mental health professionals can use the findings to develop interventions that address the negative impact of social media use on mental health. Educators can incorporate social media literacy into their curriculum to promote healthy social media use among young adults. Policymakers can use the findings to develop policies that protect young adults from the negative outcomes associated with social media use.

References :

• Twenge, J. M., & Campbell, W. K. (2019). Associations between screen time and lower psychological well-being among children and adolescents: Evidence from a population-based study. Preventive medicine reports, 15, 100918.
• Primack, B. A., Shensa, A., Escobar-Viera, C. G., Barrett, E. L., Sidani, J. E., Colditz, J. B., … & James, A. E. (2017). Use of multiple social media platforms and symptoms of depression and anxiety: A nationally-representative study among US young adults. Computers in Human Behavior, 69, 1-9.
• Van der Meer, T. G., & Verhoeven, J. W. (2017). Social media and its impact on academic performance of students. Journal of Information Technology Education: Research, 16, 383-398.

Appendix : The survey used in this study is provided below.

Social Media and Mental Health Survey

• How often do you use social media per day?
• Less than 30 minutes
• 30 minutes to 1 hour
• 1 to 2 hours
• 2 to 4 hours
• More than 4 hours
• Which social media platforms do you use?
• Others (Please specify)
• How often do you experience the following on social media?
• Social comparison (comparing yourself to others)
• Cyberbullying
• Fear of Missing Out (FOMO)
• Have you ever experienced any of the following mental health problems in the past month?
• Do you think social media use has a positive or negative impact on your mental health?
• Very positive
• Somewhat positive
• Somewhat negative
• Very negative
• In your opinion, which factors contribute to the negative impact of social media on mental health?
• Social comparison
• In your opinion, what interventions could be effective in reducing the negative impact of social media on mental health?
• Education on healthy social media use
• Counseling for mental health problems caused by social media
• Social media detox programs
• Regulation of social media use

Thank you for your participation!

Applications of Research Paper

Research papers have several applications in various fields, including:

• Advancing knowledge: Research papers contribute to the advancement of knowledge by generating new insights, theories, and findings that can inform future research and practice. They help to answer important questions, clarify existing knowledge, and identify areas that require further investigation.
• Informing policy: Research papers can inform policy decisions by providing evidence-based recommendations for policymakers. They can help to identify gaps in current policies, evaluate the effectiveness of interventions, and inform the development of new policies and regulations.
• Improving practice: Research papers can improve practice by providing evidence-based guidance for professionals in various fields, including medicine, education, business, and psychology. They can inform the development of best practices, guidelines, and standards of care that can improve outcomes for individuals and organizations.
• Educating students : Research papers are often used as teaching tools in universities and colleges to educate students about research methods, data analysis, and academic writing. They help students to develop critical thinking skills, research skills, and communication skills that are essential for success in many careers.
• Fostering collaboration: Research papers can foster collaboration among researchers, practitioners, and policymakers by providing a platform for sharing knowledge and ideas. They can facilitate interdisciplinary collaborations and partnerships that can lead to innovative solutions to complex problems.

When to Write Research Paper

Research papers are typically written when a person has completed a research project or when they have conducted a study and have obtained data or findings that they want to share with the academic or professional community. Research papers are usually written in academic settings, such as universities, but they can also be written in professional settings, such as research organizations, government agencies, or private companies.

Here are some common situations where a person might need to write a research paper:

• For academic purposes: Students in universities and colleges are often required to write research papers as part of their coursework, particularly in the social sciences, natural sciences, and humanities. Writing research papers helps students to develop research skills, critical thinking skills, and academic writing skills.
• For publication: Researchers often write research papers to publish their findings in academic journals or to present their work at academic conferences. Publishing research papers is an important way to disseminate research findings to the academic community and to establish oneself as an expert in a particular field.
• To inform policy or practice : Researchers may write research papers to inform policy decisions or to improve practice in various fields. Research findings can be used to inform the development of policies, guidelines, and best practices that can improve outcomes for individuals and organizations.
• To share new insights or ideas: Researchers may write research papers to share new insights or ideas with the academic or professional community. They may present new theories, propose new research methods, or challenge existing paradigms in their field.

Purpose of Research Paper

The purpose of a research paper is to present the results of a study or investigation in a clear, concise, and structured manner. Research papers are written to communicate new knowledge, ideas, or findings to a specific audience, such as researchers, scholars, practitioners, or policymakers. The primary purposes of a research paper are:

• To contribute to the body of knowledge : Research papers aim to add new knowledge or insights to a particular field or discipline. They do this by reporting the results of empirical studies, reviewing and synthesizing existing literature, proposing new theories, or providing new perspectives on a topic.
• To inform or persuade: Research papers are written to inform or persuade the reader about a particular issue, topic, or phenomenon. They present evidence and arguments to support their claims and seek to persuade the reader of the validity of their findings or recommendations.
• To advance the field: Research papers seek to advance the field or discipline by identifying gaps in knowledge, proposing new research questions or approaches, or challenging existing assumptions or paradigms. They aim to contribute to ongoing debates and discussions within a field and to stimulate further research and inquiry.
• To demonstrate research skills: Research papers demonstrate the author’s research skills, including their ability to design and conduct a study, collect and analyze data, and interpret and communicate findings. They also demonstrate the author’s ability to critically evaluate existing literature, synthesize information from multiple sources, and write in a clear and structured manner.

Characteristics of Research Paper

Research papers have several characteristics that distinguish them from other forms of academic or professional writing. Here are some common characteristics of research papers:

• Evidence-based: Research papers are based on empirical evidence, which is collected through rigorous research methods such as experiments, surveys, observations, or interviews. They rely on objective data and facts to support their claims and conclusions.
• Structured and organized: Research papers have a clear and logical structure, with sections such as introduction, literature review, methods, results, discussion, and conclusion. They are organized in a way that helps the reader to follow the argument and understand the findings.
• Formal and objective: Research papers are written in a formal and objective tone, with an emphasis on clarity, precision, and accuracy. They avoid subjective language or personal opinions and instead rely on objective data and analysis to support their arguments.
• Citations and references: Research papers include citations and references to acknowledge the sources of information and ideas used in the paper. They use a specific citation style, such as APA, MLA, or Chicago, to ensure consistency and accuracy.
• Peer-reviewed: Research papers are often peer-reviewed, which means they are evaluated by other experts in the field before they are published. Peer-review ensures that the research is of high quality, meets ethical standards, and contributes to the advancement of knowledge in the field.
• Objective and unbiased: Research papers strive to be objective and unbiased in their presentation of the findings. They avoid personal biases or preconceptions and instead rely on the data and analysis to draw conclusions.

Advantages of Research Paper

Research papers have many advantages, both for the individual researcher and for the broader academic and professional community. Here are some advantages of research papers:

• Contribution to knowledge: Research papers contribute to the body of knowledge in a particular field or discipline. They add new information, insights, and perspectives to existing literature and help advance the understanding of a particular phenomenon or issue.
• Opportunity for intellectual growth: Research papers provide an opportunity for intellectual growth for the researcher. They require critical thinking, problem-solving, and creativity, which can help develop the researcher’s skills and knowledge.
• Career advancement: Research papers can help advance the researcher’s career by demonstrating their expertise and contributions to the field. They can also lead to new research opportunities, collaborations, and funding.
• Academic recognition: Research papers can lead to academic recognition in the form of awards, grants, or invitations to speak at conferences or events. They can also contribute to the researcher’s reputation and standing in the field.
• Impact on policy and practice: Research papers can have a significant impact on policy and practice. They can inform policy decisions, guide practice, and lead to changes in laws, regulations, or procedures.
• Advancement of society: Research papers can contribute to the advancement of society by addressing important issues, identifying solutions to problems, and promoting social justice and equality.

Limitations of Research Paper

Research papers also have some limitations that should be considered when interpreting their findings or implications. Here are some common limitations of research papers:

• Limited generalizability: Research findings may not be generalizable to other populations, settings, or contexts. Studies often use specific samples or conditions that may not reflect the broader population or real-world situations.
• Potential for bias : Research papers may be biased due to factors such as sample selection, measurement errors, or researcher biases. It is important to evaluate the quality of the research design and methods used to ensure that the findings are valid and reliable.
• Ethical concerns: Research papers may raise ethical concerns, such as the use of vulnerable populations or invasive procedures. Researchers must adhere to ethical guidelines and obtain informed consent from participants to ensure that the research is conducted in a responsible and respectful manner.
• Limitations of methodology: Research papers may be limited by the methodology used to collect and analyze data. For example, certain research methods may not capture the complexity or nuance of a particular phenomenon, or may not be appropriate for certain research questions.
• Publication bias: Research papers may be subject to publication bias, where positive or significant findings are more likely to be published than negative or non-significant findings. This can skew the overall findings of a particular area of research.
• Time and resource constraints: Research papers may be limited by time and resource constraints, which can affect the quality and scope of the research. Researchers may not have access to certain data or resources, or may be unable to conduct long-term studies due to practical limitations.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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How to Write a Research Paper Introduction (with Examples)

The research paper introduction section, along with the Title and Abstract, can be considered the face of any research paper. The following article is intended to guide you in organizing and writing the research paper introduction for a quality academic article or dissertation.

The research paper introduction aims to present the topic to the reader. A study will only be accepted for publishing if you can ascertain that the available literature cannot answer your research question. So it is important to ensure that you have read important studies on that particular topic, especially those within the last five to ten years, and that they are properly referenced in this section. 1 What should be included in the research paper introduction is decided by what you want to tell readers about the reason behind the research and how you plan to fill the knowledge gap. The best research paper introduction provides a systemic review of existing work and demonstrates additional work that needs to be done. It needs to be brief, captivating, and well-referenced; a well-drafted research paper introduction will help the researcher win half the battle.

The introduction for a research paper is where you set up your topic and approach for the reader. It has several key goals:

• Present your research topic
• Capture reader interest
• Summarize existing research
• Position your own approach
• Define your specific research problem and problem statement
• Highlight the novelty and contributions of the study
• Give an overview of the paper’s structure

The research paper introduction can vary in size and structure depending on whether your paper presents the results of original empirical research or is a review paper. Some research paper introduction examples are only half a page while others are a few pages long. In many cases, the introduction will be shorter than all of the other sections of your paper; its length depends on the size of your paper as a whole.

• Break through writer’s block. Write your research paper introduction with Paperpal Copilot

Table of Contents

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The introduction in a research paper is placed at the beginning to guide the reader from a broad subject area to the specific topic that your research addresses. They present the following information to the reader

• Scope: The topic covered in the research paper
• Context: Background of your topic
• Importance: Why your research matters in that particular area of research and the industry problem that can be targeted

The research paper introduction conveys a lot of information and can be considered an essential roadmap for the rest of your paper. A good introduction for a research paper is important for the following reasons:

• It stimulates your reader’s interest: A good introduction section can make your readers want to read your paper by capturing their interest. It informs the reader what they are going to learn and helps determine if the topic is of interest to them.
• It helps the reader understand the research background: Without a clear introduction, your readers may feel confused and even struggle when reading your paper. A good research paper introduction will prepare them for the in-depth research to come. It provides you the opportunity to engage with the readers and demonstrate your knowledge and authority on the specific topic.
• It explains why your research paper is worth reading: Your introduction can convey a lot of information to your readers. It introduces the topic, why the topic is important, and how you plan to proceed with your research.
• It helps guide the reader through the rest of the paper: The research paper introduction gives the reader a sense of the nature of the information that will support your arguments and the general organization of the paragraphs that will follow. It offers an overview of what to expect when reading the main body of your paper.

What are the parts of introduction in the research?

A good research paper introduction section should comprise three main elements: 2

• What is known: This sets the stage for your research. It informs the readers of what is known on the subject.
• What is lacking: This is aimed at justifying the reason for carrying out your research. This could involve investigating a new concept or method or building upon previous research.
• What you aim to do: This part briefly states the objectives of your research and its major contributions. Your detailed hypothesis will also form a part of this section.

How to write a research paper introduction?

The first step in writing the research paper introduction is to inform the reader what your topic is and why it’s interesting or important. This is generally accomplished with a strong opening statement. The second step involves establishing the kinds of research that have been done and ending with limitations or gaps in the research that you intend to address. Finally, the research paper introduction clarifies how your own research fits in and what problem it addresses. If your research involved testing hypotheses, these should be stated along with your research question. The hypothesis should be presented in the past tense since it will have been tested by the time you are writing the research paper introduction.

The following key points, with examples, can guide you when writing the research paper introduction section:

• Highlight the importance of the research field or topic
• Describe the background of the topic
• Present an overview of current research on the topic

Example: The inclusion of experiential and competency-based learning has benefitted electronics engineering education. Industry partnerships provide an excellent alternative for students wanting to engage in solving real-world challenges. Industry-academia participation has grown in recent years due to the need for skilled engineers with practical training and specialized expertise. However, from the educational perspective, many activities are needed to incorporate sustainable development goals into the university curricula and consolidate learning innovation in universities.

• Reveal a gap in existing research or oppose an existing assumption
• Formulate the research question

Example: There have been plausible efforts to integrate educational activities in higher education electronics engineering programs. However, very few studies have considered using educational research methods for performance evaluation of competency-based higher engineering education, with a focus on technical and or transversal skills. To remedy the current need for evaluating competencies in STEM fields and providing sustainable development goals in engineering education, in this study, a comparison was drawn between study groups without and with industry partners.

• State the purpose of your study
• Highlight the key characteristics of your study
• Describe important results
• Highlight the novelty of the study.
• Offer a brief overview of the structure of the paper.

Example: The study evaluates the main competency needed in the applied electronics course, which is a fundamental core subject for many electronics engineering undergraduate programs. We compared two groups, without and with an industrial partner, that offered real-world projects to solve during the semester. This comparison can help determine significant differences in both groups in terms of developing subject competency and achieving sustainable development goals.

Write a Research Paper Introduction in Minutes with Paperpal

Paperpal Copilot is a generative AI-powered academic writing assistant. It’s trained on millions of published scholarly articles and over 20 years of STM experience. Paperpal Copilot helps authors write better and faster with:

• Real-time writing suggestions
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With Paperpal Copilot, create a research paper introduction effortlessly. In this step-by-step guide, we’ll walk you through how Paperpal transforms your initial ideas into a polished and publication-ready introduction.

How to use Paperpal to write the Introduction section

Step 1: Sign up on Paperpal and click on the Copilot feature, under this choose Outlines > Research Article > Introduction

Step 2: Add your unstructured notes or initial draft, whether in English or another language, to Paperpal, which is to be used as the base for your content.

Step 3: Fill in the specifics, such as your field of study, brief description or details you want to include, which will help the AI generate the outline for your Introduction.

Step 4: Use this outline and sentence suggestions to develop your content, adding citations where needed and modifying it to align with your specific research focus.

Step 5: Turn to Paperpal’s granular language checks to refine your content, tailor it to reflect your personal writing style, and ensure it effectively conveys your message.

You can use the same process to develop each section of your article, and finally your research paper in half the time and without any of the stress.

The purpose of the research paper introduction is to introduce the reader to the problem definition, justify the need for the study, and describe the main theme of the study. The aim is to gain the reader’s attention by providing them with necessary background information and establishing the main purpose and direction of the research.

The length of the research paper introduction can vary across journals and disciplines. While there are no strict word limits for writing the research paper introduction, an ideal length would be one page, with a maximum of 400 words over 1-4 paragraphs. Generally, it is one of the shorter sections of the paper as the reader is assumed to have at least a reasonable knowledge about the topic. 2 For example, for a study evaluating the role of building design in ensuring fire safety, there is no need to discuss definitions and nature of fire in the introduction; you could start by commenting upon the existing practices for fire safety and how your study will add to the existing knowledge and practice.

When deciding what to include in the research paper introduction, the rest of the paper should also be considered. The aim is to introduce the reader smoothly to the topic and facilitate an easy read without much dependency on external sources. 3 Below is a list of elements you can include to prepare a research paper introduction outline and follow it when you are writing the research paper introduction. Topic introduction: This can include key definitions and a brief history of the topic. Research context and background: Offer the readers some general information and then narrow it down to specific aspects. Details of the research you conducted: A brief literature review can be included to support your arguments or line of thought. Rationale for the study: This establishes the relevance of your study and establishes its importance. Importance of your research: The main contributions are highlighted to help establish the novelty of your study Research hypothesis: Introduce your research question and propose an expected outcome. Organization of the paper: Include a short paragraph of 3-4 sentences that highlights your plan for the entire paper

Cite only works that are most relevant to your topic; as a general rule, you can include one to three. Note that readers want to see evidence of original thinking. So it is better to avoid using too many references as it does not leave much room for your personal standpoint to shine through. Citations in your research paper introduction support the key points, and the number of citations depend on the subject matter and the point discussed. If the research paper introduction is too long or overflowing with citations, it is better to cite a few review articles rather than the individual articles summarized in the review. A good point to remember when citing research papers in the introduction section is to include at least one-third of the references in the introduction.

The literature review plays a significant role in the research paper introduction section. A good literature review accomplishes the following: Introduces the topic – Establishes the study’s significance – Provides an overview of the relevant literature – Provides context for the study using literature – Identifies knowledge gaps However, remember to avoid making the following mistakes when writing a research paper introduction: Do not use studies from the literature review to aggressively support your research Avoid direct quoting Do not allow literature review to be the focus of this section. Instead, the literature review should only aid in setting a foundation for the manuscript.

Remember the following key points for writing a good research paper introduction: 4

• Avoid stuffing too much general information: Avoid including what an average reader would know and include only that information related to the problem being addressed in the research paper introduction. For example, when describing a comparative study of non-traditional methods for mechanical design optimization, information related to the traditional methods and differences between traditional and non-traditional methods would not be relevant. In this case, the introduction for the research paper should begin with the state-of-the-art non-traditional methods and methods to evaluate the efficiency of newly developed algorithms.
• Avoid packing too many references: Cite only the required works in your research paper introduction. The other works can be included in the discussion section to strengthen your findings.
• Avoid extensive criticism of previous studies: Avoid being overly critical of earlier studies while setting the rationale for your study. A better place for this would be the Discussion section, where you can highlight the advantages of your method.
• Avoid describing conclusions of the study: When writing a research paper introduction remember not to include the findings of your study. The aim is to let the readers know what question is being answered. The actual answer should only be given in the Results and Discussion section.

To summarize, the research paper introduction section should be brief yet informative. It should convince the reader the need to conduct the study and motivate him to read further. If you’re feeling stuck or unsure, choose trusted AI academic writing assistants like Paperpal to effortlessly craft your research paper introduction and other sections of your research article.

1. Jawaid, S. A., & Jawaid, M. (2019). How to write introduction and discussion. Saudi Journal of Anaesthesia, 13(Suppl 1), S18.

2. Dewan, P., & Gupta, P. (2016). Writing the title, abstract and introduction: Looks matter!. Indian pediatrics, 53, 235-241.

3. Cetin, S., & Hackam, D. J. (2005). An approach to the writing of a scientific Manuscript1. Journal of Surgical Research, 128(2), 165-167.

4. Bavdekar, S. B. (2015). Writing introduction: Laying the foundations of a research paper. Journal of the Association of Physicians of India, 63(7), 44-6.

Paperpal is a comprehensive AI writing toolkit that helps students and researchers achieve 2x the writing in half the time. It leverages 21+ years of STM experience and insights from millions of research articles to provide in-depth academic writing, language editing, and submission readiness support to help you write better, faster.  

Get accurate academic translations, rewriting support, grammar checks, vocabulary suggestions, and generative AI assistance that delivers human precision at machine speed. Try for free or upgrade to Paperpal Prime starting at US$19 a month to access premium features, including consistency, plagiarism, and 30+ submission readiness checks to help you succeed.  

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• 5 Reasons for Rejection After Peer Review
• Ethical Research Practices For Research with Human Subjects
• 8 Most Effective Ways to Increase Motivation for Thesis Writing 

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How To Recognize Bad Research

In 1954, Darrell Huff called out the dangers of misrepresenting statistical data in his book How to Lie With Statistics . I don’t know how big a problem bad survey data and misinformation was in the 1950s but if you fast forward to 2019, social media and 24-hour news cycles have created an explosion of content that purports to be factual. Chances are, a percentage of it is not, which is what I want to talk about.

As a professional market researcher, I probably spend more time reading the small print on market research and public opinion surveys than most. In so doing, I’ve come across several instances where survey data is misinterpreted, misapplied or just plain wrong. The reasons for this vary. Sometimes they are honest errors, and other times the data was intentionally designed to mislead.

To the trained eye, some of these discrepancies are easy to spot, but not always. So, here are a few things I look for when reading polls and market research results to help me identify faulty research.

Misleading Questions

A common problem with survey results is that respondents often answer a different question than what the survey designer thought they were asking. This can happen because the respondent either didn’t understand the question or their preferred response was not an option in a closed-ended list. The Brexit referendum may be one of the most consequential examples of this issue. It offered a binary choice, Stay or Leave, without providing a way to capture more nuanced responses. Fifty-two percent of Britons chose Leave, but many voters stated that they chose Leave to air their dissatisfaction with the UK’s governance and would have chosen something else had there been options that addressed their concerns. In fact, new research from YouGov suggests that only 33% of the British electorate prefer a hard Leave option.

Poor Targeting

The most basic question to ask when looking at survey research results is Who was included in the survey? followed by Are they representative of the population we’re interested in? Obtaining a representative sample of U.S. consumers or voters is becoming increasingly difficult. Landlines were once the gold-standard when fielding surveys. Starting with the popularization of answering machines in the 1980s and the subsequent decline in landlines caused by mobile phones, it is now impossible to obtain a representative sample of the U.S. population over the phone. Online methodologies have stepped in to fill the void, but they present their own challenges.

While reaching individuals has become more difficult, the U.S. population has become more diverse . The most common problem we see with surveys that purport to be nationally representative is that they rely on convenience samples made up of easy to reach people. For example, we see lots of research on the U.S. Hispanic population that neglects to include the 30% that do not speak, let alone read or write English well enough to answer the survey. Neglecting to include hard-to-reach segments of the population can often skew the results enough to make them worthless.

Targeting issues also come up in polling. Determining who is more popular and who is likely to win an election are two different questions. During the presidential election cycle, we’re bombarded with polls showing support or disapproval of the candidates. Most of those are public opinion polls that try to measure the popular vote. The popular vote, however, does not elect presidents. The electoral college does. In fact, a U.S. president can be elected with as little as 23% of the popular vote. Therefore, any political poll that does not take into account the rules of an election are merely entertainment and don’t have predictive value.

Poor Survey Design

The advent of DIY survey software has produced a boon of survey data to consume. DIY is great for low-stakes decisions but present problems when the results will be used to make important ones. Survey design is a science with decades of academic research supporting it and scholarly journals devoted to its advancement. Question design matters. Here are some of the most common issues we see with survey design:

• Scales: The options respondents are given to choose when answering a question are called scales. A scale with fewer options will yield a different result than one with more options for the same reason that Brexit survey takers who weren’t presented an option that reflected their views chose Leave. Recently, two surveys measuring interest by Democrats in the upcoming election yielded wildly different results, 35% vs. 74%, simply because one had a 4 option scale and the other had 5 options.
• Framing: How one asks a question matters. A classic framing example is that more people will rate ground beef better if it’s framed as 80% lean vs. 20% fat. Bad actors use framing to create push-polls that yield desired research results. When possible, it’s recommended to see how the question is worded before accepting the outcome.
• Social Desirability Biases: We all want others to have a favorable opinion of us. Our ideal self eats right, exercises regularly, reads important books and watches mind-expanding documentaries. Our true self eats too much chocolate, sits on the couch for hours, reads gossip columns and watches reality television. It’s important to ask oneself if the reported behavior is socially desirable or undesirable. Professionally designed surveys mitigate this by careful wording that reduces the perceived risk of choosing undesirable responses and lessens the pressure to select socially desirable answers.

Finally, it’s important to look at market research and polling results holistically and ask yourself if the results are internally consistent. For example, if a survey says that only 10% of respondents would consider purchasing an electric vehicle but that 30% of everyone surveyed would purchase a Tesla, which only makes electric cars, then either the first or the second percentage may be true but not both. Internally inconsistent survey results are usually caused by poor questionnaire design. If one inconsistency exists in the results, then the rest of the data becomes suspect.

Several online news aggregation sites now have Fact Check technology that let us know if news stories on the web are true. We don’t yet have that for market research surveys but, with a little attention to the fine print, we can decrease the likelihood of being lied to by statistics.

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Research Paper

29 December 2023

last updated

A research paper is a product of seeking information, analysis, human thinking, and time. Basically, when scholars want to get answers to questions, they start to search for information to expand, use, approve, or deny findings. In simple words, research papers are results of processes by considering writing works and following specific requirements. Besides, scientists research and expand many theories, developing social or technological aspects of human science. However, in order to write relevant papers, they need to know a definition of the research, structure, characteristics, and types.

Definition of What Is a Research Paper and Its Meaning

A research paper is a common assignment. It comes to a situation when students, scholars, and scientists need to answer specific questions by using sources. Basically, a research paper is one of the types of papers where scholars analyze questions or topics , look for secondary sources , and write papers on defined themes. For example, if an assignment is to write a research paper on some causes of global warming or any other topic, a person must write a research proposal on it, analyzing important points and credible sources . Although essays focus on personal knowledge, writing a research paper means analyzing sources by following academic standards. Moreover, scientists must meet the structure of research papers. Therefore, writers need to analyze their research paper topics , start to research, cover key aspects, process credible articles, and organize final studies properly.

The Structure of a Research Work

The structure of research papers depends on assignment requirements. In fact, when students get their assignments and instructions, they need to analyze specific research questions or topics, find reliable sources , and write final works. Basically, the structure of research papers consists of the abstract , outline , introduction , literature review , methodology, results , discussion, recommendations, limitations, conclusion , acknowledgments , and references. However, students may not include some of these sections because of assigned instructions that they have and specific types of research papers. For instance, if instructions of papers do not suppose to conduct real experiments, the methodology section can be skipped because of the data’s absence. In turn, the structure of the final work consists of:

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🔸 The First Part of a Research Study

Abstract or an executive summary means the first section of a research paper that provides the study’s purpose, research questions or suggestions, main findings with conclusions. Moreover, this paragraph of about 150 words should be written when the whole work is finished already. Hence, abstract sections should describe key aspects of studies, including discussions about the relevance of findings.

Outline serves as a clear map of the structure of a research study.

Introduction provides the main information on problem statements, the indication of methodology, important findings, and principal conclusion. Basically, this section of a research paper covers rationales behind the work or background research, explanation of the importance, defending its relevance, a brief description of experimental designs, defined research questions, hypotheses, or key aspects.

🔸 Literature Review and Research or Experiment

Literature Review is needed for the analysis of past studies or scholarly articles to be familiar with research questions or topics. Hence, this section summarizes and synthesizes arguments and ideas from scholarly sources without adding new contributions. In turn, this part is organized around arguments or ideas, not sources.

Methodology or Materials and Methods covers explanations of research designs. Basically, techniques for gathering information and other aspects related to experiments must be described in a research paper. For instance, students and scholars document all specialized materials and general procedures. In this case, individuals may use some or all of the methods in further studies or judge the scientific merit of the work. Moreover, scientists should explain how they are going to conduct their experiments.

Results mean the gained information or data after the research or experiment. Basically, scholars should present and illustrate their findings. Moreover, this section may include tables or figures.

🔸 Analysis of Findings

Discussion is a section of a research paper where scientists review the information in the introduction part, evaluate gained results, or compare it with past studies. In particular, students and scholars interpret gained data or findings in appropriate depth. For example, if results differ from expectations at the beginning, scientists should explain why that may have happened. However, if results agree with rationales, scientists should describe theories that the evidence is supported.

Recommendations take its roots from a discussion section where scholars propose potential solutions or new ideas based on obtained results in a research paper. In this case, if scientists have any recommendations on how to improve this research so that other scholars can use evidence in further studies, they must write what they think in this section.

Limitations mean a consideration of research weaknesses and results to get new directions. For instance, if researchers found any limitations of studies that could affect experiments, scholars must not use such knowledge because of the same mistakes. Moreover, scientists should avoid contradicting results, and, even more, they must write it in this section.

🔸 The Final Part of a Conducted Research

Conclusion includes final claims of a research paper based on findings. Basically, this section covers final thoughts and the summary of the whole work. Moreover, this section may be used instead of limitations and recommendations that would be too small by themselves. In this case, scientists do not need to use headings for recommendations and limitations. Also, check out conclusion examples .

Acknowledgments or Appendix may take different forms, from paragraphs to charts. In this section, scholars include additional information on a research paper.

References mean a section where students, scholars, or scientists provide all used sources by following the format and academic rules.

Research Characteristics

Any type of work must meet some standards. By considering a research paper, this work must be written accordingly. In this case, the main characteristics of research papers are the length, style, format, and sources. Firstly, the length of research work defines the number of needed sources to analyze. Then, the style must be formal and covers impersonal and inclusive language. In turn, the format means academic standards of how to organize final works, including its structure and norms. Finally, sources and their number define works as research papers because of the volume of analyzed information. Hence, these characteristics must be considered while writing research papers.

Types of Research Papers

In general, the length of assignments can be different because of instructions. For example, there are two main types of research papers, such as typical and serious works. Firstly, a typical research paper may include definitive, argumentative, interpretive, and other works. In this case, typical papers are from 2 to 10 pages, where students analyze research questions or specific topics. Then, a serious research study is the expanded version of typical works. In turn, the length of such a paper is more than 10 pages. Basically, such works cover a serious analysis with many sources. Therefore, typical and serious works are two types of research papers.

Typical Research Papers

Basically, typical research works depend on assignments, the number of sources, and the paper’s length. So, a typical research paper is usually a long essay with the analyzed evidence. For example, students in high school and colleges get such assignments to learn how to research and analyze topics. In this case, they do not need to conduct serious experiments with the analysis and calculation of data. Moreover, students must use the Internet or libraries in searching for credible secondary sources to find potential answers to specific questions. As a result, students gather information on topics and learn how to take defined sides, present unique positions, or explain new directions. Hence, typical research papers require an analysis of primary and secondary sources without serious experiments or data.

Serious Research Studies

Although long papers require a lot of time for finding and analyzing credible sources, real experiments are an integral part of research work. Firstly, scholars at universities need to analyze the information from past studies to expand or disapprove of researched topics. Then, if scholars want to prove specific positions or ideas, they must get real evidence. In this case, experiments can be surveys, calculations, or other types of data that scholars do personally. Moreover, a dissertation is a typical serious research paper that young scientists write based on the research analysis of topics, data from conducted experiments, and conclusions at the end of work. Thus, serious research papers are studies that take a lot of time, analysis of sources with gained data, and interpretation of results.

6 Warning Signs That a Scientific Study is Bogus

Was the Paper Published in a Peer-Reviewed Journal?

What is the journal's impact factor.

The impact factor is the average number of times a journal's papers are cited by other researchers. You can usually find this information on the journal's home page or by searching "impact factor" along with its name. Check out the impact factor of other journals in that field of research to see how they compare.

Do the Researchers Cite Their Own Papers?

If so, this is a red flag that they are promoting views that fall outside the scientific consensus. Citations are listed at the end of a paper.

How Many Test Subjects Were Used?

A large number of test subjects makes a study more robust and reduces the likelihood that the results are random. In general, the more questions a paper asks, the greater its sample size should be. Most reliable papers contain something called a p -value, which measures the probability ( p ) that a study's results occurred by random chance. In science a p -value of 0.05 suggests the study's conclusions may be meaningful. Smaller p -values are better.

Does it Rely on Correlation?

Cigarette smoking has declined dramatically in the U.S. in the past few decades, and so has the national homicide rate. But just because two events occur at the same time doesn't mean that one caused the other.

Have the Results Been Reproduced?

To find out, search the paper's name on Google Scholar and click on the Cited By link beneath the name. This will list other researchers who mention the paper in their own publications, and may also give you a clearer view of how other researchers critiqued the paper.

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List of Credible Sources for Research. Examples of Credible Websites

Looking for relevant sources of information for your research is already a tiring process, but when you also need to pay attention to their credibility, it becomes almost impossible! However, it’s still a quite critical aspect to pay attention to. Using unreliable sites like Wikipedia, even if it’s a two-page essay in middle school, is not welcomed.

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Don’t know how to find credible sources? No worries! Custom-Writing experts have created this brilliant guide for you. It’s not merely a compilation of best tips on how to choose reliable websites for research. There are also many examples of reliable sources that you can use for basically any type of paper you may need to write!

👨‍🎓️ What Are Credible Sources?

• Natural Science

✅ Website Reliability Checklist

Credible sources: definition.

In general, credible sources are the ones that can be considered unbiased and have some sort of evidence to rely on . Popular dictionaries can give you a whole list of the criteria that help you identify one. For example, a credible book would be written by respected and recognized authors in the last ten years.

Credible Sources:

• information published within last 10 years;
• texts written by respected authors;
• websites belonging to educational and governmental institutions;
• articles from Google Scholar;
• academic databases.

Non-credible sources:

• outdated information;
• texts written by someone without proper credentials;
• commercial websites;
• articles without citations;
• blog posts.

Non-credible Sources

Non-credible sources are the complete opposite of the definition above. They shouldn’t be used, especially when you are working on essential pieces of writing. An unreliable source would most definitely be outdated and coming from the writers with no credentials. Also, beware of unknown blog posts that don’t have any citations!

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How to Determine Credible Sources?

You need to pay close attention to several things when looking for credible sources. First of all, the information needs to be published at least within the last few years. Check whether the authors are well-known and have received some acknowledgment. The majority of websites belonging to governmental and educational institutions are reliable. If you’re still not sure, you can always check if the source is present in Google Scholar or any other academic database.

In some cases, your teacher or supervisor might provide you with particular requirements regarding the sources. For instance, you would need to pick the most recent studies published within the last five or even three years.

Why Is it Important to Use Credible Sources for Research?

Long story short, no one will believe the arguments you make in your essay are correct if they are based on Wikipedia’s information. So taking your time and picking trustworthy sources guarantees that your statements will convince the readers. An academic research paper is expected to be backed up by reliable evidence.

This way, you, as the author of the paper, gain the audience’s trust and support. When your main arguments derive from credible places, they know that you haven’t made it up. Also, it’s more than just about the authority. Sometimes, unreliable sources may contain errors and mistakes, which is especially bad for science projects. Because then you’ll have to use a rewriting tool or otherwise fix your text. So make sure you can trust the information!

🌐 Examples of Credible Sources: Websites

A list of reliable sources for research papers.

Finding reliable sources for a research paper is not an easy task. Let’s start with the easily accessible ones – websites. You have probably heard and used Google Scholar, but surprise-surprise, there are so many similar services that can help you find credible books and articles! Check out a list of credible online platforms that will help you do that.

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• Google Scholar . It’s the most popular and easy-to-use search engine that can present scholarly pieces of writing on any topic you require. Google Scholar is free to use, and you can choose to look for any type of publishing format.
• JSTOR . JSTOR is an online library of all kinds of sources, such as books, articles, and journals. Even though access is limited, it can be a great help for students. It is also considered one of the most reliable databases since the sources are selected very carefully before being placed there.
• SAGE Publishing . This independent publisher gives you open access to academic journals and much more in case of your subscription! Every year they drop thousands of high-quality content in the form of books and journals, so it’s a pretty reputable source.
• Taylor and Francis Online . It is quite well-known by many researchers and has a good reputation. They publish peer-reviewed journal articles. This online tool gives you access to all the journals published by this company. Free admission is limited, so you should double-check the terms first.
• ScienceDirect . ScienceDirect is a massive database of scientific and medical literature, which you can access via subscription. All 18 million pieces published there are known to be credible. Therefore, this tool can be more than efficient and reliable for your research.
• Academia . Academia is a free resource similar to Google Scholar, where you can look through and even download any paper you want. However, sometimes the authors only upload a part of their work. So you would need to contact them yourself if you’re interested.
• Scopus . It is one of the biggest databases of peer-reviewed journals and articles. Note that they only offer the option of checking the abstracts and citations for free, but not the papers’ full content. So you need to review the terms to gain full access.

A List of Credible News Sources

Of course, journalism isn’t comparable to academic writing . No matter how hard you try to describe world news, politics, or economics, thousands of people will find your article subjective.

But still, there are some less credible and more credible news sources. We’ve gathered here several news websites with a good reputation.

• BBC News . BBC News is one of the most trusted sources you can ever find. They post all the fresh pieces of news in text, video, or audio format on their official website. Since it’s a TV channel, you don’t need to pay extra to access the content.
• The Economist . The Economist is a well-known and respected weekly magazine with a focus on international business, economics, and politics. It is also available online. Even though the subscription fee is not that small, people say it’s totally worth it.
• The Wall Street Journal . It is another American-based giant of the business journals’ world. It appears to be extremely popular and published both digitally and in broadsheet format. You can always find business news for free, but the readers still recommend investing in The Wall Street Journal .
• Google News . You can think of Google News as a personal organizer of the most relevant headlines. You just set up your preferences, and this tool generates an endless stream of articles based on your interests. It’s believed to be the largest of its kind.
• The Guardian . We could never miss The Guardian ! This British newspaper, staying in business for over two hundred years now, is one of the people’s favorites. Their online publications are free for everybody, but they would appreciate your input since they are running on donations.
• CNN . CNN is another international TV channel which mainly covers business and politics. It’s amongst the most popular channels in the US and is famous for delivering breaking news. It’s a great place to start if you want to keep your finger on the pulse of the North American news.

A List of Credible Sources on Natural Science

And in this last section of useful links, you’ll find reputable sources on natural science . Every link presents a trusted website filled with knowledge you can easily apply to your research paper.

• NASA . There is no denying that NASA is quite reliable. It’s a governmental source of information about the most recent discoveries and explorations of space. Not only can you find videos, reports, and pictures there, but you can join the live streams of such events as launching and landing!
• Scientific American . It’s an absolute must-have for everyone interested in science and technology! The works of the most famous scientists were published there. Even Albert Einstein’s article featured in one of the issues! You can either buy a paper version of the magazine or subscribe to their website.
• Popular Science . This science-oriented source is more for the general audience. Even though it covers various discussions and doesn’t always present the latest discoveries, Popular Science is still a reliable and respectable source of infor mation. As a journal, it has won multiple awards!
• National Geographic . For the lovers of nature, this source is perfect for exploring the most exciting news and documentaries on any topic you want! It’s originally a TV network, but you can also check out their website and even a smartphone application. It’s also known for being reliable as they provide good sourcing and evidence.

How can you tell if a website is credible? Check it for these factors:

• Contact information
• Up-to-date material
• Regularly revised information
• Links to support every side fact
• Informative purpose
• No broken links on the page
• No grammar or punctuation mistakes
• No misspellings
• Mentioned in scientific sources
• Bibliography

If you can’t find at least nine of these signs in your article, be careful—there’s a chance you’re dealing with a non-credible source.

Get an originally-written paper according to your instructions!

Remember, you can always use our lists of credible websites for faster access to trusted investigations.

✏️ Credible Sources FAQ

What definitely makes a website credible is .edu or .gov in the URL code. You may add “inurl:.edu” or “inurl:.gov” to your Google search. If a website is not updated, the content is not structured, the texts contain grammatical and formatting mistakes – that source is probably not reliable.

Any website that contains .edu or .gov in the URL code would serve as an example of a credible online source. Other relatively reliable sources include famous online dictionaries and encyclopedias. However, beware of unreliable copies of such websites with a similar title or design.

It is usually possible to tell if the source is credible relying on common sense. For example, if there are formatting and grammatical mistakes, the content is not structured, the pages do not load properly, and the website is not updated, it is probably unreliable.

To determine that an online source might not be credible, pay attention to details. Does the site look neat and structured? Are there mistakes in grammar or formatting? Do the pages load properly? Does it have huge ad banners that hinder the website usage?

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