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When a belief shapes the evidence we notice

A page of product reviews can become a search for reasons to trust a choice you already favor. Confirmation bias describes a tendency to favor information that fits an existing belief. The question is how to recognize that pattern while still judging evidence on its quality.

3–7 min

Questions you could explore

  • How might a belief influence which evidence someone seeks or notices?
  • How does evidence quality affect whether a belief should change?

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Psychology

Can an option nobody wants change what people choose?

Choosing between two offers can feel different when a third appears beside them. A decoy is less attractive than one option on the relevant features, but its presence does not reliably change every decision.

5–7 min
Psychology

When a question reshapes a memory

After a car crash or a crime, the way an investigator phrases a single question can change what a witness remembers seeing. Research on eyewitness reports separates what someone originally observed from information introduced afterward, making question wording a crucial part of the evidence problem.

3–7 min
When a belief shapes the evidence we notice | Speech Topic | speaking.app