Hull's Theory Assumes That Only Those Events That Reduce Drives

Multiple Choice

Hull's theory assumes that only those events that reduce drives are rewards for behavior.This assumption was shown inaccurate by Olds and Milner who found that ______.

A) rats would bar press for food even when not hungry
B) rats would bar press for a saccharin solution that had no nutritional value
C) rats would bar press for the opportunity to explore a new environment
D) rats would bar press for electrical stimulation of the brain