?

AP® Psychology

Free Version

Upgrade subject to access all content

Difficult

Airport Screener and Detection

APPSY-YPWNTV

An exhausted airport security screener may notice the faintest indications of suspicious items in a suitcase, whereas more obvious but less relevant stimuli (like the color of the shirt of a passenger) fail to catch his attention.

Which theory best accounts for this situation?

A

Signal detection theory.

B

The Young-Helmholtz theory.

C

Place theory.

D

Frequency theory.

E

Opponent-process theory.