The mere sight, smell, or thought of food causes ______ in insulin production and______ in glucose levels in the body's cells

Delores repeatedly showed Curtis, her two-month-old, a picture of his grandfather. She noticed that Curtis seemed to become less interested in looking at the picture each time she showed it to him. Then she showed Curtis a picture of his grandmother, and he looked at it as long as he had first looked at his grandfather's picture. Curtis's loss of interest in his grandfather's picture demonstrates

a. habituation of attention. c. an operant response. b. a conditioned response. d. recovery from habituation.

When deciding on careers, youths from middle- and upper-income homes are more likely to value __________ work rewards, whereas youths from lower-income homes are more likely to value __________ work rewards

A) altruistic; social B) extrinsic; intrinsic C) intrinsic; extrinsic D) social; altruistic