Last updated: April 2026 · 7 min read · Audience: Authors, students, early-career researchers · Reading level: Introductory
Introduction
The abstract is the most widely read part of any paper. Readers, indexing services, and search engines all use it as the basis for deciding whether to engage further. A weak abstract reduces the paper's reach regardless of how strong the underlying work is.
This page covers structure and substance. The journal's specific abstract requirements (structured vs unstructured, word count, declaration of certain elements) override any general guidance.
Standard abstract structure
| Component | Length | Content |
|---|---|---|
| Problem statement | 1–2 sentences | Why the question matters; what gap the work addresses |
| Approach | 2–3 sentences | How the question was investigated; key methodological choices |
| Results | 2–3 sentences | What was found, with the strongest finding stated explicitly |
| Contribution | 1 sentence | What this paper adds to the field's understanding |
Some journals require structured abstracts with explicit headings (Background, Methods, Results, Conclusion). The structure is the same; only the labelling differs.
Practical guidance
- Write the abstract last, after the rest of the paper is complete. Earlier abstracts are usually inaccurate.
- State the strongest finding explicitly with a number or specific finding, not a vague statement.
- Avoid citations in the abstract; the abstract should stand alone.
- Avoid abbreviations not defined elsewhere; the abstract is read independently.
- Match the abstract's claims to the paper's claims; abstracts that overstate are commonly flagged in review.
Common abstract mistakes
Other recurring issues: vague problem statements that could apply to any paper in the field, methodology descriptions too short to indicate quality, results paragraphs that promise findings without stating them, and contribution statements that overstate what the paper actually shows.
Decision guidance
If the abstract is too long, cut from the methodology and background; the results and contribution are what readers actually use. If too short, expand the methodology and add specificity to the results. The four-part structure should remain visible regardless of length.
Example scenarios
Scenario: a master's student writing their first abstract
First abstracts often read like the introduction in miniature, with too much background and not enough result. Structuring deliberately around the four parts and counting words for each forces a more useful balance. A 250-word abstract with 50 words of background and 100 words of result is far more useful than 150 words of background and 50 words of result.
Scenario: a PhD researcher revising for a different journal
After rejection or for a new submission, the abstract usually needs revision to match the new journal's voice. Structured-abstract journals require explicit section headings; some journals expect a specific kind of contribution statement. Read recent abstracts in the target journal before writing.
Scenario: an early-career researcher writing in English as an additional language
Abstract sentences should be short and direct. Complex constructions are common in non-native English writing and tend to obscure rather than convey. Three short sentences typically convey more than one long one in this context.
What to do next
Once the abstract is drafted, read it standalone — outside the paper — and ask whether it conveys problem, approach, result, and contribution. If a colleague unfamiliar with the work cannot answer those four questions from the abstract alone, revise. Authors targeting EP Journals Group venues can review the abstract requirements on each journal's site.
Frequently asked questions
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Related reading and next steps
- Submission portal — Submit a manuscript through the central form
- Journals list — Six peer-reviewed journals across disciplines
- How to write an abstract
- Writing a research paper step by step
- Structured vs unstructured
- Publishing in engineering
Editorial enquiries
Questions about this guide or about preparing a manuscript for submission may be directed to the editorial office. Where a query relates to a specific journal in the portfolio, please indicate the journal abbreviation in your message.
Email: editor@ep-journals.org