AP Psychologymediummcq1 pt

According to signal detection theory, a "false alarm" occurs when:

A.A signal is absent but the observer reports detecting it

B.A signal is absent and not reported

C.A signal is present but not detected

D.A signal is present and correctly detected

Explanation

Core Concept

A false alarm in signal detection theory occurs when the observer reports detecting a signal that is actually not present—like thinking you hear your name in a noisy room when no one called you.

Correct Answer

AA signal is absent but the observer reports detecting it

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