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Turn your LSAT flaw notes into flashcards you review daily

Upload your Logical Reasoning notes, practice sets or photos of textbook pages. DeckOwl builds flashcards for each flaw type so you can practice spotting the gap between evidence and conclusion.

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How flaw flashcards build LSAT accuracy

Flaw questions in LSAT Logical Reasoning ask you to name the error in an argument, which is easier to recall when you have drilled the common patterns many times. LSAT flaw flashcards work best when each card presents a short argument on the front and the flaw type with a one-line reason on the back.

Cards that name the flaw type on the back, not just the answer letter
Argument fronts drawn from your own practice sets and notes
Spaced repetition so weak flaw types come back sooner
Study in the browser on the free plan, with exports on paid plans

Example LSAT flaw flashcards for Logical Reasoning

Flaw type: 'Ice cream sales and drownings both rise in July, so ice cream causes drowning.'Causal error: hot weather likely drives both, and a correlation alone does not show that one causes the other.

Flaw type: 'The team's top scorer is excellent, so the whole team must be excellent.'Part-to-whole error: one strong member does not establish the quality of the group as a whole.

Flaw type: 'The senator's proposal was criticized by a lobbyist, so the proposal must be bad.'Attacking the source: the critic's motives do not show whether the proposal's merits are flawed.

Flaw type: 'A survey of 50 college students found most like pizza, so most adults prefer pizza.'Unrepresentative sample: college students are not a random sample of adults, so the survey cannot support the general claim.

Flaw type: 'Students who study every night score high, so nightly study is required for a high score.'Necessary versus sufficient: the evidence may show nightly study is one route to a high score, but not that it is required.

Generate the full set

Cards for each flaw type

Generate cards for causal leaps, sampling errors, part-to-whole reasoning, attacks on the source and confused conditions, each with the flaw named on the back.

Spaced repetition

Cards you miss come back sooner and cards you know fade into longer intervals, so the flaw patterns stick before test day.

Works with your material

Use PDFs, DOCX and PPTX files, plain-text notes, or images of pages read with text recognition, so the cards match the prep you already do.

How it works

Upload your notes or practice sets

Add a PDF, slides, a text file or photos of your flaw explanations and question stems.

Review the generated flashcards

Check that each front names an argument and each back gives the flaw and a short reason.

Study a few minutes each day

Work through the due cards in your browser and let the spacing schedule decide what comes back next.

Start with the patterns that recur most often in the prep you already have: correlation treated as causation, a sample too narrow to support a general claim, a conclusion about a whole drawn from one part, and a rebuttal aimed at the speaker rather than the claim. Cards built from your own explanations keep the wording close to how your course teaches each pattern.

Spaced repetition matters here because recognizing a flaw under time pressure depends on quick recall. Review the cards you miss more often, and keep returning to the ones you already know so the patterns stay sharp.

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Frequently asked questions

How many flaw flashcards should I make before test day?

There is no fixed number, but covering each common flaw type with several different arguments usually works better than many cards on one pattern. Start with the types your practice results show you miss most.

Which flaw types should an LSAT flashcard deck cover?

Most decks include causal errors, sampling errors, part-to-whole reasoning, attacks on the source, confused necessary and sufficient conditions, and equivocation. Your course materials usually list the categories you need.

Can I export my LSAT flaw flashcards to Anki?

Yes, Anki export is included in the Plus plan, which is $39 per year or $7.99 per month. The free plan lets you study in the browser but does not include exports.

Is there a free plan to try DeckOwl?

Yes, the free plan includes 3 generations per month and browser study, and no credit card is needed to start. Students with a school email get 40 percent off paid plans.

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