Male aggressive behavior depends heavily on ____

Today, what is the status of Freud's stages of psychosexual stages in explaining human development?

a. Few people who study human development adhere to the theory. b. It is the accepted theory of how people's personalities develop. c. There are some arguments regarding the theory, but overall it has met the test of time. d. The first three stages have been very explanatory, but the two last are not.

There is evidence that depressed children and adults underutilize the neurotransmitter

a. norepinephrine. b. serotonin. c. testosterone. d. adrenaline.