Structural brain abnormalities have been found in both anorexia and bulimia nervosa patients; however, there is no research evidence that these differences were present before the onset of the illness

Scott is at lunch with his friends, playing with some straws. He places two pennies between straws that are parallel and two between two straws that are angled toward each other. What perceptual illusion is Scott trying to recreate?

A) Müller-Lyer illusion B) Horizontal-vertical illusion C) Ponzo illusion D) Moon illusion

In Chess and Thomas's (1984) longitudinal study, they classified the infants into three categories and then followed these infants as they developed into adulthood. What did they find?

a. Temperament in infancy predicted later development in some respects. b. Infant temperament was only predictive of the later development of middle- and high- socioeconomic status individuals. c. Infant temperament was only predictive of the later development of the 35 percent who were not able to be classified into one of the three groups. d. It was impossible to predict later development from infant temperament.