An abstract in research papers is a keyword-rich summary usually not exceeding 200-350 words. It can be considered the “face” of research papers because it creates an initial impression on the readers. While searching databases (such as PubMed) for research papers, a title is usually the first selection criterion for readers. If the title matches their search criteria, then the readers read the abstract, which sets the tone of the paper. Titles and abstracts are often the only freely available parts of research papers on journal websites. The pdf versions of full articles need to be purchased. Journal reviewers are often provided with only the title and abstract before they agree to review the complete paper. [ 1]
Abstracts in research papers provide readers with a quick insight into what the paper is about to help them decide whether they want to read it further or not. Abstracts are the main selling points of articles and therefore should be carefully drafted, accurately highlighting the important aspects. [ 2]
This article will help you identify the important components and provide tips on how to write an abstract in research papers effectively
An abstract in research papers can be defined as a synopsis of the paper. It should be clear, direct, self-contained, specific, unbiased, and concise. These summaries are published along with the complete research paper and are also submitted to conferences for consideration for presentation.
Abstracts are of four types and journals can follow any of these formats: [ 2]
Structured abstracts are used by most journals because they are more organized and have clear sections, usually including introduction/background; objective; design, settings, and participants (or materials and methods); outcomes and measures; results; and conclusion. These headings may differ based on the journal or the type of paper. Clinical trial abstracts should include the essential items mentioned in the CONSORT (Consolidated Standards Of Reporting Trials) guidelines.
Figure 1. Structured abstract example [3]
Unstructured abstracts are common in social science, humanities, and physical science journals. They usually have one paragraph and no specific structure or subheadings. These abstracts are commonly used for research papers that don’t report original work and therefore have a more flexible and narrative style.
Figure 2. Unstructured abstract example [3]
Descriptive abstracts are short (75–150 words) and provide an outline with only the most important points of research papers. They are used for shorter articles such as case reports, reviews, and opinions where space is at a premium, and rarely for original investigations. These abstracts don’t present the results but mainly list the topics covered.
Here’s a sample abstract . [ 4]
“Design of a Radio-Based System for Distribution Automation”
A new survey by the Maryland Public Utilities Commission suggests that utilities have not effectively explained to consumers the benefits of smart meters. The two-year study of 86,000 consumers concludes that the long-term benefits of smart meters will not be realized until consumers understand the benefits of shifting some of their power usage to off-peak hours in response to the data they receive from their meters. The study presents recommendations for utilities and municipal governments to improve customer understanding of how to use the smart meters effectively.
Keywords: smart meters, distribution systems, load, customer attitudes, power consumption, utilities
Informative abstracts (structured or unstructured) give a complete detailed summary, including the main results, of the research paper and may or may not have subsections.
Figure 3. Informative abstract example [5]
Abstracts in research have two main purposes—selection and indexing. [ 6,7]
Thus, a well-written, keyword-rich abstract can p ique readers’ interest and curiosity and help them decide whether they want to read the complete paper. It can also direct readers to articles of potential clinical and research interest during an online search.
Abstracts in research papers summarize the main points of an article and are broadly categorized into four or five sections. Here are some details on how to write an abstract .
This section should provide the following information:
The hypothesis or research question and objectives should be mentioned here. The Background sets the context for the rest of the paper and its length should be short so that the word count could be saved for the Results or other information directly pertaining to the study. The objective should be written in present or past simple tense.
The antidepressant efficacy of desvenlafaxine (DV) has been established in 8-week, randomized controlled trials. The present study examined the continued efficacy of DV across 6 months of maintenance treatment . [ 1]
Objective: To describe gastric and breast cancer risk estimates for individuals with CDH1 variants.
This section should provide information on the processes used and should be written in past simple tense because the process is already completed.
A few important questions to be answered include:
Hazard ratios (HRs) were estimated for each cancer type and used to calculate cumulative risks and risks per decade of life up to age 80 years.
Figure 4. Methods section samples from two studies [1]
This section, written in either present or past simple tense, should be the longest and should describe the main findings of the study. Here’s an example of how descriptive the sentences should be:
Avoid: Response rates differed significantly between diabetic and nondiabetic patients.
Better: The response rate was higher in nondiabetic than in diabetic patients (49% vs 30%, respectively; P <0.01).
This section should include the following information:
In total, 10.9% of students were reported to have favorable study skills. The minimum score was found for preparation for examination domain. Also, a significantly positive correlation was observed between students’ study skills and their Grade Point Average (GPA) of previous term (P=0.001, r=0.269) and satisfaction with study skills (P=0.001, r=0.493).
Here, authors should mention the importance of their findings and also the practical and theoretical implications, which would benefit readers referring to this paper for their own research. Present simple tense should be used here.
The 9.3% prevalence of bipolar spectrum disorders in students at an arts university is substantially higher than general population estimates. These findings strengthen the oft-expressed hypothesis linking creativity with affective psychopathology.
The findings indicated that students’ study skills need to be improved. Given the significant relationship between study skills and GPA, as an index of academic achievement, and satisfaction, it is necessary to promote the students’ study skills. These skills are suggested to be reinforced, with more emphasis on weaker domains.
Keywords are the last part of an abstract in most journals and should include the important terms in your paper. More details are provided later in this article.
In addition to knowing how to write an abstract , you should also know when to write an abstract . It’s best to write abstracts once the paper is completed because this would make it easier for authors to extract relevant parts from every section.
Abstracts are usually required for: [ 7]
Mostly, the author of the entire work writes the abstract (the first author, in works with multiple authors). However, there are professional abstracting services that hire writers to draft abstracts of other people’s work.
Here are some key steps on how to write an abstract in research papers: [ 9]
Keywords [ 2] are the important and repeatedly used words and phrases in research papers and can help indexers and search engines find papers relevant to your requirements. Easy retrieval would help in reaching a wider audience and eventually gain more citations. In the fields of medicine and health, keywords should preferably be chosen from the Medical Subject Headings (MeSH) list of the US National Library of Medicine because they are used for indexing. These keywords need to be different from the words in the main title (automatically used for indexing) but can be variants of the terms/phrases used in the title, abstract, and the main text. Keywords should represent the content of your manuscript and be specific to your subject area.
Basic tips for authors [ 10,11]
Few examples: [ 12]
| Paper title | Poor keywords | Better keywords |
| Direct observation of nonlinear optics in an isolated carbon nanotube | molecule, optics, lasers, energy lifetime | single-molecule interaction, Kerr effect, carbon nanotube, energy level |
| Region-specific neuronal degeneration after okadaic acid administration | neuron, brain, regional-specific neuronal degeneration, signaling | neurodegenerative diseases; CA1 region, hippocampal; okadaic acid; neurotoxins; MAP kinase signaling system; cell death |
| Increases in levels of sediment transport at former glacial-interglacial transitions | climate change, erosion, plant effects | quaternary climate change, soil erosion, bioturbation |
Here are a few tips on how to write an abstract to ensure that your abstract is complete, concise, and accurate. [ 1,2]
Here’s a quick snapshot of all the important aspects of how to write an abstract . [2]
Q1. Do all journals have different guidelines for abstracts?
A1. Yes, all journals have their own specific guidelines for writing abstracts; a few examples are given in the following table. [ 6,13,14,15]
Q2. What are the common mistakes to avoid when writing an abstract?
A2. Listed below are a few mistakes that authors may make inadvertently while writing abstracts.
An abstract is a summary, which should be created by paraphrasing your own work or writing in your own words. Extracting sentences from every section and combining them into one paragraph cannot be considered summarizing.
Journals have special instructions for writing abstracts, such as word limits and section headings. These should be followed strictly to avoid rejections.
Both too little and too much information could discourage readers. For instance, if the Background has very little information, the readers may not get sufficient context to appreciate your research. Similarly, incomplete information in the Methods and a text-heavy Results section without supporting numerical data may affect the credibility of your research.
Typically, abstracts shouldn’t include these elements—citations, URLs, and abbreviations. Only nonstandard abbreviations are allowed or those that would be more familiar to readers than the expansions.
Abstracts should strictly include only the same information mentioned in the main text. Any new information should first be added to the text and then to the abstract only if necessary or if permitted by the word limit.
Keywords are essential for indexing and searching and should be included to increase the frequency of retrieval and citation.
Q3. What is the difference between abstracts in research papers and conference abstracts? [16]
A3. The table summarizes the main differences between research and conference abstracts.
| Parameter | Conference abstract | Research paper abstract |
| Context | Concise summary of ongoing or completed research presented at conferences | Summary of full research paper published in a journal |
| Length | Shorter (150-250 words) | Longer (150-350 words) |
| Audience | Diverse conference attendees (both experts & people with general interest) | People or other researchers specifically interested in the subject |
| Focus | Intended to quickly attract interest; provides just enough information to highlight the significance, objectives, and impact; may briefly state methods and results | Deeper insight into the study; more detailed sections on methodology, results, and broader implications |
| Publication venue | Not published independently but included in conference schedules, booklets, etc. | Published with the full research paper in academic journals, conference proceedings, research databases, etc. |
| Citations | Allowed | Not allowed |
Thus, abstracts are essential “trailers” that can market your research to a wide audience. The better and more complete the abstract the more are the chances of your paper being read and cited. By following our checklist and ensuring that all key elements are included, you can create a well-structured abstract that summarizes your paper accurately.
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.
