Today, high school students who work are more likely than those who do not work to come from upper- and middle-class households

People who are having memories of abuse can try to verify the memories through

a. others who were there or may have witnessed it. b. analysis using a self-help book on recovered memory. c. a psychoanalytically-trained therapist. d. age regression, hypnosis, and guided visualizations.

An infant first begins to prefer his or her own mother's voice to the voice of female strangers by the age of

a. three days. b. three weeks. c. three months. d. six months.