Dwayne enjoys spending calm, quiet evenings at home watching old movies. Debbie likes to do exciting activities, such as skydiving, on her days off. The fact that Dwayne and Debbie choose to spend...

Dwayne enjoys spending calm, quiet evenings at home

watching old movies. Debbie likes to do exciting activities, such as skydiving, on her days off. The fact that

Dwayne and Debbie choose to spend their free time in

these ways is best explained by ______.
a) satisfaction of needs
b) incentives
c) optimal level of arousal
d) drive reduction