[RESULTS: Specific findings]
We identified a transient progenitor exhausted state (Tpex) marked by TCF1 and Slamf6 expression that serves as the primary reservoir for responses to PD-1 blockade. Tpex cells decline by 80 percent between day 21 and day 60, correlating with diminished responsiveness to checkpoint therapy.
[CONCLUSION: Implication for treatment]
These findings identify Tpex cell maintenance as a target for improving checkpoint blockade outcomes in chronic infection and cancer, and suggest a therapeutic window for intervention before Tpex depletion.
What this example demonstrates:
- The objective is highly specific to the field; it does not explain what T cells are because the audience knows
- Methods section names the exact experimental system and technique
- Results are quantitative and specific; "80 percent decline" not "substantial decline"
- The conclusion identifies a therapeutic implication without overstating the evidence
Example 4: Conference Abstract Proposal
Conference abstracts are submitted before the paper is written. They describe planned or in-progress research. Length is typically 150 to 300 words.
[OBJECTIVE]
This paper examines whether the introduction of automated essay scoring (AES) in state writing assessments affects teacher instruction, specifically whether teachers adjust their writing assignments to optimize for features that AES systems reward at the expense of qualities human raters value but algorithms do not detect.
[METHODS: Note future tense for proposals]
We will analyze writing assignment data from 240 teachers in three states that adopted AES between 2018 and 2022, comparing the complexity, genre diversity, and revision requirements of assignments before and after AES adoption. Teacher surveys and interviews will capture the reasoning behind instructional changes.
[PRELIMINARY RESULTS or EXPECTED CONTRIBUTION]
Preliminary analysis of assignment data from the first state (n = 80 teachers) shows a 34 percent reduction in open-ended creative writing prompts and a 28 percent increase in five-paragraph essay formats following AES adoption. Final analysis will add two additional states and teacher interview data.
[CONTRIBUTION]
This paper contributes to the growing literature on algorithmic accountability in education by providing the first longitudinal evidence of AES effects on teacher practice rather than student scores.
What this example demonstrates:
- Conference abstracts can use future tense for methods not yet complete
- Preliminary results can be shared even if the full study is unfinished
- The contribution statement situates the work within the field's existing conversation
Structured vs Unstructured Abstracts
Some journals, particularly in medicine and clinical research, require structured abstracts with explicit section headers. These use the same four elements but label them explicitly:
Background: The problem and why it matters.
Methods: Study design, sample, and analysis.
Results: Primary findings with statistics.
Conclusions: Implications and future directions.
Unstructured abstracts (which most humanities and social science journals use) present the same information as flowing prose without headers. Both formats contain the same four elements; only the visual organization differs.
How Long Should an Abstract Be?
| Context | Typical word count | Notes |
|---|
| Journal article | 150 to 250 words | Most journals state an exact limit; follow it precisely |
| Dissertation or thesis | 150 to 350 words | Often 300 words is the target; check your institution's requirement |
| Conference abstract proposal | 150 to 300 words | Some conferences allow up to 500 words; check the call for papers |
| Grant proposal | 250 to 400 words | Varies by agency; follow the RFP exactly |
The abstract is almost always written last, after the full paper is complete. You cannot accurately summarize findings you have not yet produced.
Frequently Asked Questions
What is an example of a good abstract?
A good abstract clearly states the problem, explains the methods, reports the main findings with specific results, and draws an implication. Example: "Most studies of homework assign a single metric to all students. This experiment randomly assigned 240 fourth-grade students to one of three homework amounts (none, 30 minutes, 60 minutes) and measured reading achievement at 8 and 16 weeks. Students in the 30-minute condition outperformed both the no-homework and 60-minute groups at 16 weeks (d = 0.41 and d = 0.39, respectively). Results suggest that moderate homework improves early reading skills but that excessive homework may undermine motivation."
How long is an abstract?
Most abstracts are 150 to 250 words for journal articles and 150 to 350 words for dissertations. Always follow the specific limit set by the journal, institution, or conference. Abstracts that exceed the stated limit are often automatically rejected or returned for editing.
Should an abstract include citations?
No. Abstracts are self-contained summaries and do not include citations. If your abstract mentions a prior finding or study, briefly describe what was found rather than citing the source. Save citations for the body of the paper.
Can an abstract include results not yet obtained?
For conference proposals and grant applications, yes: proposals describe planned or in-progress research. For published journal articles and submitted dissertations, the abstract should describe completed research with actual results. Some abstracts for submitted papers include preliminary findings if the analysis is ongoing.
For a full guide on writing abstracts from scratch, see how to write an abstract. For other academic writing guides, see how to write a literature review, literature review example, and thesis statement examples.