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You're not searching for truth, you're searching for confirmation.

Confirmation bias means you notice, remember and actively seek information that fits what you already believe. Peter Wason showed it in 1960 with the number sequence 2-4-6: almost every participant only tested examples that confirmed their own rule, which is exactly why they never found the real one.

Useful: For every firm opinion, ask: what evidence would change my mind?

Source: en.wikipedia.org

BiasDenken

Difficulty:

Question on this card

What's the best defence against confirmation bias?

  1. Collect more matching examples
  2. Deliberately look for disconfirming evidence
  3. Follow the majority
  4. Decide faster
Show the answer

Correct: Deliberately look for disconfirming evidence

Only searching for contradicting evidence can overturn a wrong hypothesis.

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