Jump straight to what the authors actually predicted.
What this tool does
This tool finds hypothesis sentences in a paper using cue phrases. It scans for words and phrases authors typically use when stating a prediction, such as we hypothesize, we predict, and hypothesis labels like H1 and H2, and returns the matching sentences in order. For a reader, that is the fastest route to what the authors actually expected before they ran the study.
It works fully in your browser. Nothing is uploaded to a server, and you do not need an account. Paste your text, press the button, and read the result on the same page. That makes it useful for students, researchers, and anyone who has to get through a long paper quickly without losing the important parts.
How to use it
Paste an introduction, or a full paper if you prefer, and press the find button. Read the returned sentences and note whether each one states a testable prediction or merely a vague expectation. If nothing is found, the paper may state its aims without the word hypothesis, so search the introduction yourself for predict, expect, and aim.
Worked example
From a passage containing “We hypothesize that sleep improves memory” and “We predict that rested students recall more words”, the tool returns both sentences and skips the background sentence about previous work. You now know the two claims the study was designed to test, which makes the results section far easier to judge.
How to read the results
The output is a simple list of matching sentences in original order, with a note that this is a cue-phrase finder. No score is given, because a hypothesis is either stated or it is not. An empty result is itself informative: it suggests the paper frames its goals as questions or aims rather than formal hypotheses.
Do not treat the output as a final answer. It is a starting point for your own reading. Skim the highlighted parts first, then read the full passage around anything that matters for your work. A tool can point at the likely important sentences, but only you can judge whether they are actually important for your question.
Honest limits
This is a heuristic finder, not a reader. It misses hypotheses phrased without standard cues, and it can include a sentence that merely mentions someone else’s hypothesis. It cannot tell whether a hypothesis is testable, well-formed, or actually tested later in the paper. Always confirm a found sentence against the introduction before citing it.
This tool does not use artificial intelligence, and it does not understand your paper the way a human reader does. It follows fixed rules that you can inspect in the results. That is a strength when you want transparent, repeatable results, and a weakness when a passage needs real understanding, context, or judgement.
Tips for best results
Paste clean text. Remove page headers, footers, and reference lists before you paste, because they add noise to word counts and sentence scores. Work on one section at a time for long papers, and keep your original file open beside the tool so you can check anything surprising against the source. If you use the result in your own writing, always cite the original paper, never the tool output.
Frequently asked questions
Is it free? Yes. The tool is free to use online, with no sign-up and no download.
Is my text stored anywhere? No. Everything runs in your browser tab. Closing the tab removes your pasted text.
Can I trust the output completely? No tool of this kind should be trusted blindly. Use it to speed up reading and checking, then verify the important claims yourself in the original text.
Related tools
Versión en español: Buscador de Hipótesis · All Free Online Tools.
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