When Lani Has an Unpleasant Task to Complete,such as Writing

Multiple Choice

When Lani has an unpleasant task to complete,such as writing a term paper,she sets up rewards for herself.When she completes her outline,she watches TV for one hour.When she completes the rough draft,she spends an evening relaxing with her friends.When she finishes the final draft,she goes to the mall and purchases a CD she has been wanting.Lani's behavior is best explained by the ____.

A) instinct doctrine
B) arousal theory
C) drive reduction theory
D) incentive theory