Schaie found that scores on tests of practical intelligence were steady from age 20 to age

In the opening case for Chapter 10, Michelle had great difficulty

a. showing emotion. b. controlling her emotions. c. understanding emotions. d. understanding others' emotions.

When several people are present during an emergency, the likelihood that help will be given to a person in need is reduced. This is referred to as

a. empathic apathy. b. a diffusion of responsibility. c. groupthink. d. the mean worldview.