An incentive is a:
a) state of deprivation that triggers arousal.
b) state of arousal triggered by deprivation.
c) rigidly patterned behavior characteristic of an entire species.
d) basic need listed on the lower levels of Maslow's hierarchy.
e) positive or negative environmental stimulus that motivates behavior.

e) positive or negative environmental stimulus that motivates behavior.

Explanation:

An incentive can be a positive as well as a negative set of patterns that tends to stimulate the environment and it also motivates and triggers the arousal of the environmental stimulus. An incentive can also act as a plan of action that defines the events and sets the conditions of the growth and development of the behaviors.