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Specific Aims Page Generator

Write the four parts of a Specific Aims page — the opening, the objective and hypothesis, two to four aims, and the payoff — and watch a word meter measure them against one page. Your own sentences are placed as you wrote them; every empty part shows a sentence frame to fill. Honest templates, no AI. Free, no sign-up.

Your project

NIH limits pages, not words. 700 is a starting estimate: paste a draft into your own template and enter the figure that fills it.

1. Opening — the problem and the gap

2. Objective and central hypothesis

3. Specific aims

Two to three independent aims is the usual advice for an R01: no aim should depend on another aim succeeding.

Aim 1
Aim 2
Aim 3

4. Payoff — outcomes and impact

Page length and checks

Words against one page 0 of 700 words · 700 left
PartTarget wordsYour words
Opening1750
Objective and hypothesis1400
Aims2800
Payoff1050
  • To do: Add a hook and the gap to the opening.
  • To do: State the objective of the application.
  • To do: State the central hypothesis or question.
  • To do: Write at least one aim.
  • To do: Add an expected outcome to Aim .
  • Done: Every aim opens with a verb that names a result.
  • To do: Add the payoff: what the project will deliver and why it matters.
  • To do: Write something to measure the length.

Your Specific Aims page

18 parts still to write

Specific Aims

Specific Aims page template

Opening paragraph

Tip: Target: about 175 words (25%). Hook, what is known, then the gap — the reviewer should feel the question open up.

To write: Open with the problem and its stakes: “[Condition] affects [whom] and leads to [consequence].” Make the first sentence one a reviewer outside your subfield would care about.

To write: Summarize what is established, citing the strongest evidence: “Studies have shown [finding] [refs].”

To write: Name the gap: “However, it is not known [what is missing], which prevents [consequence].”

Objective and central hypothesis

Tip: Target: about 140 words (20%). Say what this application will do and what you expect to find, and why you believe it.

To write: Optional: “The long-term goal of this research is to [broad aim].”

To write: State this application's objective: “The objective of this application is to [what you will do or find out].”

To write: State the central hypothesis so a reviewer can find it: “Our central hypothesis is that [testable statement].”

To write: Add one sentence of rationale or preliminary data: “This is based on [pilot finding or prior result].”

Aims

Tip: Target: about 280 words (40%). Each aim should stand alone, with its own approach and an outcome that is informative whichever way the result falls.

To write: Aim 1. Begin with a strong verb: “Determine whether [X] changes [Y] in [population].”

To write: Say how, in one or two sentences: the design, the sample or system, and the main measure.

To write: Say what you expect, and what a different result would mean for the project.

To write: Aim 2. Begin with a strong verb: “Determine whether [X] changes [Y] in [population].”

To write: Say how, in one or two sentences: the design, the sample or system, and the main measure.

To write: Say what you expect, and what a different result would mean for the project.

To write: Aim 3. Begin with a strong verb: “Determine whether [X] changes [Y] in [population].”

To write: Say how, in one or two sentences: the design, the sample or system, and the main measure.

To write: Say what you expect, and what a different result would mean for the project.

Closing paragraph

Tip: Target: about 105 words (15%). End on the payoff, not on a summary of the aims: what will exist that does not now, and who will use it.

To write: Say what the project will deliver: “These aims will [produce what].”

To write: Say why it matters: “The results will [change what] for [whom] and enable [next step].”

How to Use the Specific Aims Page Generator

  1. 1. Set your page size. The meter needs a words-per-page figure. The default is a starting estimate; paste a draft into your real template, see how many words fill the page, and enter that number.
  2. 2. Write the opening and the objective. Give the hook, what is known, and the gap; then state the objective of the application and your central hypothesis or question. Leave a box empty and the preview shows a sentence frame in its place.
  3. 3. Add two to four aims. Each aim has three boxes: the aim itself, the approach, and the expected outcome — including what a different result would mean.
  4. 4. Close on the payoff, then read the checklist. The meter shows words against your page and against each part’s target. Copy the page into Word or Google Docs, delete the tips, and fit it to the real page.

What NIH Requires and What Is Convention

NIH’s Table of Page Limits sets the Specific Aims attachment at one page for activity codes that use it, and NIH’s guidance on the attachment says the aims should centre on your goals, the outcomes you anticipate, and the impact on your field — not a list of experiments, which belongs in the Research Strategy. NIAID’s research plan advice describes the page as a capsule of the whole plan that should make reviewers want to read on.

Everything finer than that is convention. The opening–objective–aims–payoff shape is how NIH institute workshops and grant-writing guides teach the page, and the word shares below are this tool’s planning figures, not NIH numbers. Follow your funding opportunity wherever it differs.

PartWhat it doesPlanning share
OpeningThe hook states why the problem matters, then what is known, then the gap — what is not known and what that prevents25%
Objective and hypothesisWhat this application will do, the testable claim at its centre, and a sentence of rationale or preliminary data20%
AimsTwo to three independent aims, each with an action verb, an approach, and an outcome that is informative either way40%
PayoffWhat will exist when the project ends and why it matters — not a repeat of the aims15%

The aims take the most space because reviewers read them first. Move the shares if your funder asks for a different balance.

Worked Example: 392 Words on a 700-Word Page

“Try an example” loads an illustrative page on sleep timing and glucose control in adolescents with type 1 diabetes. It is invented for demonstration — the bracketed [N] and [refs] marks are where a real page would carry numbers and citations — and it is not a model of a funded application. Against the default 700-word estimate, the meter reads as follows.

PartTarget wordsExample words
Opening17593
Objective and hypothesis14083
Aims (three)280164
Payoff10552
Total700392

The example fills 56% of the estimate, so there is room for the pilot data, the citations and the extra detail a real application would carry.

How Many Words Is One Page?

NIH limits the page, not the words, and the answer depends on your font, margins and spacing. NIH’s application guide sets a minimum type size and minimum margins, so check the current rules and do the measuring in your own template. As a rough ceiling, a 7.5-inch line in 11-point Arial holds about 17 words, and a 10-inch column holds about 57 lines, so a page of unbroken text would approach 1,000 words. That is an estimate from average character widths. A real page with a title, aim headings and paragraph breaks holds fewer, which is why the meter asks you for your own figure.

Common Mistakes on a Specific Aims Page

  • Aims that depend on each other. If Aim 2 only makes sense when Aim 1 succeeds, one failed experiment sinks the project. Institute guidance advises independent aims for most mechanisms.
  • Aims that are experiments. “Perform RNA sequencing on 40 samples” is a method. “Identify the transcripts that change in response to X” is an aim.
  • Weak verbs. NIAID’s examples of strong verbs include identify, define, quantify, establish and determine; “study”, “explore” and “understand” promise activity rather than a result.
  • No plan for a surprise. Say what you will do if the result is not the one you expect. A null result that still informs the field makes an aim safer.
  • A closing that repeats the aims. The last paragraph is the payoff: what will exist that does not now, and who will use it.

Frequently Asked Questions

How long is an NIH Specific Aims page?
One page. NIH’s Table of Page Limits sets one page for the Specific Aims attachment, and a funding opportunity can override NIH defaults, so read yours. The limit is on pages, not words, and NIH also sets minimum type size and margins in its application guide.
How many aims should I have?
Two or three is the range most NIH institute advice and grant-writing guides describe for an R01, and this tool allows up to four. More aims leave less room for each one’s approach and outcome. Fewer than two can leave the project with nothing to fall back on.
Do I need a hypothesis?
Not always. NINDS advises deciding first whether your questions are exploratory or confirmatory: confirmatory work needs focused, testable hypotheses, while exploratory work can be framed as a question. The tool lets you choose either, and the prompt changes with your choice.
What is the difference between Specific Aims and the Research Strategy?
The Specific Aims page is a one-page statement of goals, expected outcomes and impact. The Research Strategy is where significance, innovation and approach are argued in detail; NIH gives it 12 pages for an R01 and six for an R21. The aims page tells reviewers what you will do, and the strategy shows how.
Should the aims be independent of each other?
For most mechanisms, yes. Institute guidance warns that interdependent aims put the whole project at risk, because a negative result in the first aim leaves the later ones without a footing. Write each aim so it can be answered, and be useful, on its own.
Does this tool write my Specific Aims page?
No. It places your sentences into a four-part structure, measures them, and shows a sentence frame wherever a part is empty. Nothing is generated by AI, and everything runs in your browser — nothing you type is uploaded.
Can I use this structure for a grant that is not from NIH?
The logic — problem, gap, objective, independent aims, payoff — carries over to most funders, but the format does not. NSF, foundations and other agencies set their own summary lengths and headings, so use this as a drafting aid and then follow the funder’s template.

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