What percentage of adolescent girls in the United States will become pregnant at least once before they are 20 years of age?

The cognitive reserve hypothesis in dementia suggests that ________education levels will delay cognitive decline, which is thought to be related to ____________________

a) low; already low levels of cognitive capacity b) low; crystallized intelligence c) high; reserve neural structures as a form of neuroplasticity d) high; years of cognitive inactivity

Research suggests that people often seek to cultivate neutral moods (rather than positive or negative moods) when they are about to interact with ____

a. someone new b. a close relationship partner c. a close family member d. a depressed person