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LinguaBeasts Demo

A short sample of the writing practice interface used in BeastScholar college courses.

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Argue Mentals

Claims, counterarguments, and structuring a persuasive case.

Qualifier Quinn

Say exactly as much as the support carries.

Short lesson

  • Qualifiers (many, often, likely, some) set the size of a claim. Absolute words (all, every, always, prove) make claims universal.
  • A claim should be no bigger than its evidence. A sample of library users cannot speak for every student.
  • Qualifying is not weakening: an accurate claim is harder to refute.

Practice 1 of 3

Evidence: 42 of 60 survey respondents, all current library users, wanted evening study space.

Which claim fits the evidence?

Argue Mentals inventory · 8 beasts

Inventory entries are listed for reference only. Practice for them is in BeastScholar, not this demo.

  • Claimless ClydeInventory

    Write the words on the banner.

  • Evidence EvaderInventory

    Bring the reasons with the claim.

  • Warrant WraithInventory

    Keep the bridge where it matters.

  • Counterargument CasperInventory

    Give the empty chair its real reason.

  • Rebuttal RitaInventory

    Answer the reason, not the room.

  • Qualifier QuinnPlayable sample

    Say exactly as much as the support carries.

  • Audience AlfredInventory

    Write for the reader you actually have.

  • Stakes StellaInventory

    Let the real consequences speak.

Jump to the full catalog of all eight families

Complete LinguaBeasts catalog

All eight families · 71 entries

Names from the BeastScholar catalog. A few research-related beasts appear in both Critical Thinking Creatures and Research Rascals with a family-specific focus. Only Fragment Frankie, Wordy Wanda, Qualifier Quinn are playable on this site.

Grammar Gremlins · 10 beasts
  • Apostrophe AvaInventory

    Carries a bag of spare apostrophes. Uses them freely.

  • Run-on RonnieInventory

    Never stops talking. Never takes a breath.

  • Comma Splice SpikeInventory

    Thinks one little comma can hold up the whole sentence.

  • Fragment FrankiePlayable sample

    Always leaves before finishing the.

  • Agreement AggieInventory

    Weighs every word. Still gets the balance wrong.

  • Pronoun PeteInventory

    Points at everyone. Means no one in particular.

  • Dangling DarylInventory

    Swings in from nowhere. Lands on the wrong noun.

  • Wordy WandaPlayable sample

    Why use one word when twelve will do?

  • Tense TinaInventory

    Lives in yesterday, today, and tomorrow. Simultaneously.

  • Vague VeronicaInventory

    Says something about some things. Probably.

Punctuation Pests · 10 beasts
  • Comma ClaraInventory

    Pause here? Pause there? Who's counting?

  • Apostrophe ArchieInventory

    Before the s? After the s? I'll just toss one in.

  • Period PeteInventory

    Stop here? Stop there? Why not stop twice?

  • Semicolon SeymourInventory

    Semi; not confused. I connect.

  • Colon ColeInventory

    Cole builds bridges. Don't leave it hanging.

  • Quotation QuinnInventory

    Stealing quotes. Shifting meanings.

  • Hyphen HannahInventory

    Word welding. Meaning mixing.

  • Dash DexterInventory

    Different lengths. Different jobs.

  • Question QuincyInventory

    Who is asking—and what is the whole sentence doing?

  • Parenthesis PennyInventory

    An aside needs a place—not the whole sentence.

Bad Spelling Bees · 9 beasts
  • Vowel VioletInventory

    The exact letters matter—even when sound cannot settle them.

  • Homophone HankInventory

    Same sound does not mean the same word.

  • Suffix SophieInventory

    Check the join, not just the sound.

  • Plural PollyInventory

    Count the nouns; check who owns what.

  • Schwa SheldonInventory

    A quiet vowel still needs the right letter.

  • Rulebreaker RexInventory

    A shortcut is not a spelling guarantee.

  • Sound-It-Out SidInventory

    Sound is a starting point, not a spelling guarantee.

  • Doubled DannyInventory

    Double-check the doubles.

  • Borrowed BeaInventory

    Check the word, not its passport.

Logic Lizards · 10 beasts
  • Straw Man StanInventory

    Why argue with you when I can argue with a scarecrow of you?

  • Slippery-Slope SamInventory

    One tiny step and it's avalanches all the way down!

  • Red-Herring HankInventory

    Never mind the question. Look at this fish!

  • Overgeneralizing OllieInventory

    One bug in the garden? Clearly the whole planet is infested.

  • Hasty HarryInventory

    Two examples? Conclusion: obvious.

  • False-Cause FelixInventory

    It rained, then I got promoted. Coincidence? I think not.

  • Either-Or EddieInventory

    You're either with me or you're against breakfast.

  • Circular SallyInventory

    I'm right because I'm correct.

  • Bandwagon BrendaInventory

    Everyone's doing it, so it must be right.

  • Ad Hominem HannahInventory

    Never mind the argument. Look who's making it.

Critical Thinking Creatures · 8 beasts
  • Binary BettyInventory

    Check the categories before you pick one.

  • Certainty ZedInventory

    Let the evidence set your confidence.

  • Contextless CarlInventory

    Keep the context that carries the meaning.

  • Correlation CreatureInventory

    Weigh the pattern and the design.

  • False Balance BeastInventory

    Fair consideration is not automatic equal weight.

  • Frame ShifterInventory

    Notice the emphasis. Keep the facts.

  • Headline HydraInventory

    Read past the headline. Keep the qualifications.

  • Tribal TriggerInventory

    Check the claim. Keep the same standards.

Argue Mentals · 8 beasts
  • Claimless ClydeInventory

    Write the words on the banner.

  • Evidence EvaderInventory

    Bring the reasons with the claim.

  • Warrant WraithInventory

    Keep the bridge where it matters.

  • Counterargument CasperInventory

    Give the empty chair its real reason.

  • Rebuttal RitaInventory

    Answer the reason, not the room.

  • Qualifier QuinnPlayable sample

    Say exactly as much as the support carries.

  • Audience AlfredInventory

    Write for the reader you actually have.

  • Stakes StellaInventory

    Let the real consequences speak.

Research Rascals · 8 beasts
  • Cherry-Pick CharlieInventory

    Pick by the criteria, not by the conclusion.

  • Source ShadyInventory

    Show where it came from.

  • Certainty ZedInventory

    Say it as strongly as the study can.

  • Contextless CarlInventory

    Who, where, under what conditions?

  • False Balance BeastInventory

    Weigh the studies, don't just count them.

  • Frame ShifterInventory

    Same numbers, fair frame.

  • Headline HydraInventory

    Read past the headline to the methods.

  • Tribal TriggerInventory

    Note the funder, then read the methods.

AI Eyes · 8 beasts
  • Hallucination HalInventory

    Check the claim against the evidence.

  • Citation MirageInventory

    Find the source, then read what it says.

  • Bias IrisInventory

    Compare the output with the evidence for every group.

  • Sycophant CyInventory

    Agree with the evidence, not the pressure.

  • Context CyclopsInventory

    Ask about the gap; don't invent what fills it.

  • Prompt PollyInventory

    Say what you need; then check what you get.

  • Privacy PryInventory

    Share what the task needs, where the policy allows.

  • Autopilot OttoInventory

    AI can assist; you still fly the plane.