If you have ever hesitated to question an error on a restaurant bill because you were afraid of making a scene, you are having difficulty in exhibiting

Paula is searching for the most effective treatment for bulimia. Research suggests that this will likely involve ____

a. response prevention b. relaxation training c. cognitive-behavioral therapy d. stimulant medication

Research on changes in intellectual abilities during adulthood indicates that

a. fluid and crystallized intelligence decline at the same rate. b. fluid intelligence declines earlier and more quickly than crystallized intelligence. c. crystallized intelligence declines earlier and more quickly than fluid intelligence. d. crystallized and fluid intelligence fluctuate up and down throughout the entire lifespan.