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The label that changes a smell's meaning

The labels cheese and body odor prepare people for different experiences. In a study using those labels, people rated the same test smell differently. The chemical stimulus stayed the same; the judgment was sensitive to its description.

3–7 min

Questions you could explore

  • How could an experiment separate the effect of a label from the smell itself?
  • What could brain imaging add to participants' reports of the same labeled odor?

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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.

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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.

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