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How faint can a sound be before you stop hearing it?

A barely audible sound may be heard on one attempt and missed on the next. A hearing threshold therefore depends on a task and a chosen level of performance, not a single universal border between sound and silence.

3–5 min

Questions you could explore

  • What changes when a listener must choose which of two intervals contained the sound?
  • How many repeated answers would make a threshold convincing?

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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

Can a question change what someone remembers?

A question can ask for a memory while also suggesting what might have happened. Research on eyewitness reports separates what someone originally saw from information introduced afterward, making wording part of the evidence problem.

3–7 min
How faint can a sound be before you stop hearing it? | Speech Topic | speaking.app