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Why is a familiar face easier to recognize in a bad photo?

A blurry photograph of a friend may be instantly recognizable, while two clear photographs of a stranger can be difficult to match. Knowing a face means having encountered more than one frozen image of it. Familiarity changes the recognition problem.

3–7 min

Questions you could explore

  • What changes between photographs while a person still looks like themselves?
  • How could comparing familiar and unfamiliar faces across many photographs test recognition?

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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
Why is a familiar face easier to recognize in a bad photo? | Speech Topic | speaking.app