Discussion
When noise presentation is responded to with a "no" (for signal presence) it is called a :
Answer: B
Saying 'no' when only noise is presented is a correct rejection.
Signal detection theory has four outcomes:
- signal present, 'yes': hit
- signal present, 'no': miss
- noise only, 'yes': false alarm
- noise only, 'no': correct rejection
When the trial contains noise alone and the observer says no signal is present, the response is correct, so it is a correct rejection. A hit and a miss need a signal to be present, and a false alarm (printed 'fabe alarm') is saying 'yes' to noise.
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