Correct answer: Presenting the strongest version of the opposing view. Engaging the best opposing case produces honest, durable conclusions.

Critical Thinking & IQ MCQ

Correct answer: A systematic review of replicated studies. Aggregated replicated research outweighs individual studies and stories.

Correct answer: A third factor — summer — drives both. Confounding variables create correlations without causation.

Correct answer: Deliberately seeking disconfirming evidence. Actively hunting for what would prove you wrong is the antidote.

Correct answer: Sunk cost fallacy. Past costs are gone; only future costs and benefits matter.

Logic puzzles, critical thinking and problem-solving questions.

Q21. Steelmanning means: Medium

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Q22. The strongest single item on the evidence hierarchy is: Medium

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Q23. Ice-cream sales and drowning correlate because: Medium

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Q24. Confirmation bias is countered by: Medium

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Q25. Refusing to abandon a failing project because 'we've spent so much already' is: Medium

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Q26. 'You're too young to understand economics' is an example of: Medium

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Q27. 'Either we ban all social media or children are doomed' commits: Medium

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Q28. A straw man fallacy: Medium

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Q29. A pre-mortem asks: Medium

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Q30. Deciding criteria BEFORE viewing options prevents: Medium

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