Joy was startled into flinching when she heard thunder during a rain storm. Eventually, the sight of lighting made her flinch. What is the conditioned stimulus in this example?
A) Sound of thunder
B) Flinching from hearing thunder
C) Sight of lightning
D) Flinching from sight of lightning

Question

Quizplus · Accepted Answer

The conditioned stimulus is the sight of lightning, as this is the stimulus that eventually caused Joy to flinch. The sound of thunder may have initially caused her to flinch, but it did not become the conditioned stimulus.

Joy Was Startled into Flinching When She Heard Thunder During