Crespi studied how hungry rats change their running speed when the amount of reward is suddenly changed.His findings forced Hull to conclude that ______.
A)the amount of reward directly influences the motivation for behavior
B)the amount of reward has no direct effect on motivation
C)sudden changes in reward causes forgetting of the learned response
D)changes in reward attract the animal's attention and increase habit strength

Question

Quizplus · Accepted Answer

Crespi's study demonstrated that changes in the amount of reward directly influenced the rats' running speed, indicating that the reward amount directly affects motivation.

Crespi Studied How Hungry Rats Change Their Running Speed When