Apentix/AP Psychology/Unit 3: Sensation and Perception/Question
AP Psychologymediummcq1 pt

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

A.A signal is present and correctly detected
B.A signal is absent but the observer reports detecting it
C.A signal is present but not detected
D.A signal is absent and not reported

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

BA signal is absent but the observer reports detecting it

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