For Many People, the Main Motivation for Certain Behaviors (Such

Multiple Choice

For many people, the main motivation for certain behaviors (such as painting graffiti on walls) is "showing off." If someone now provides a small payment for the same behavior, the person's desire to do the behavior may actually decrease. The decreased motivation is an example of the

A) externality hypothesis.
B) overjustification effect.
C) principle of homeostasis.
D) hierarchy of needs.