Most dreams reflect ordinary waking concerns because the brain areas that are active when we are awake remain active during dreaming, according to the __________ dream theory

Identical twins are less alike as adults than they were as children, which demonstrates the influence of

a. heredity. b. nature. c. polygenic factors. d. the environment.

With regard to roles, human beings tend to ____

a. choose a few roles and stick with them over the course of their life b. adopt and drop roles as the situation calls for it c. be comfortable in one primary role only d. find it difficult to change roles