An Experimenter Offers a Very Small Reward to Some Subjects

Multiple Choice

An experimenter offers a very small reward to some subjects if they will write an essay in favor of a position that the experimenter knows the subjects oppose. Later the subjects are asked for their current beliefs on that topic. Which theory is the experimenter probably testing?

A) cognitive dissonance theory
B) opponent-process theory of emotions
C) learned-helplessness theory
D) depth-of-processing theory