Psychologist Ravenna Helson believes that people have several social clocks to choose from, and that the choice can significantly affect a person's psychological development in middle adulthood

In order to avoid the complications of chemotherapy-induced taste aversions, cancer

patients should a. avoid food consumption altogether, prior to chemotherapy treatment. b. eat an abundance of their favorite food just in advance of chemotherapy sessions. c. ingest a distinctively flavored, but nonpreferred, food prior to chemotherapy sessions. d. space chemotherapy sessions at least two weeks apart. e. eat preferred foods during chemotherapy sessions.

Social deprivation refers to

a. a lack of social smiling on the part of the infant. b. a lack of responsive smiling on the part of the parent. c. an overall lack of social stimulation provided to the infant. d. a child who lacks basic social skills.