The Useful Quiz
Critical Thinking · 88 questions

Critical Thinking Quiz

Spotting bad arguments before they spot you.

10 questions · 60 seconds each · No sign-up

What you'll learn

Critical thinking is about spotting bad arguments, recognising logical fallacies, and reasoning carefully under uncertainty. This quiz covers formal and informal fallacies, common cognitive shortcuts, the rules of evidence, how to evaluate sources, and how to argue without losing the thread. The toolkit you wished school had spent more time on.

A sample of what's inside

  • What is confirmation bias?
  • What is the 'sunk cost fallacy'?
  • What is an ad hominem fallacy?
  • What is Occam's Razor?
  • What is a straw man argument?
  • What is the Dunning-Kruger effect?

How a round works

A round is ten multiple-choice questions. You have sixty seconds per question. Pick A, B, C, or D, or use your keyboard (1-4 or A-D, then Enter to advance). Every answer reveals a one-sentence fact you can take with you. At the end of a round you see your score, accuracy, best streak, a question-by-question breakdown, and a shareable result you can copy or post.

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Subject 60s · Q1 of 10

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