Elise, a bright four year-old, is very reluctant to try new foods. In fact, she has become unwilling to eat anything other than chicken nuggets, macaroni and cheese, and french fries. What is most likely the critical behavior?

You are watching the film Rain Man and, based on your course work in abnormal psychology, you recognize that an appropriate diagnostic category for the character Raymond, portrayed by Dustin Hoffman, is

a. Rett's disorder. b. fetal alcohol syndrome. c. neurosis. d. autism spectrum disorders.

In Vygotsky's theory, the difference between a child's actual level of ability and the level of ability that he or she can achieve when working under the guidance of a more qualified instructor is called

a. the mesosystem. c. guided learning. b. contextualism. d. the zone of proximal development.