Maternal stress is most likely to negatively impact a developing embryo/fetus when that stress is

a. intermittent and extreme.
b. intermittent and moderate.
c. chronic and extreme

Much of what people consider to be masculine or feminine characteristics is shaped by one's

a. culture. b. mental strength. c. heredity. d. physical strength.

Commitment and trust in a relationship can be seen as developing according to

A) situational growth. B) mutual cyclical growth. C) coping mechanisms. D) interactive growth mechanisms.