According to the Yerkes-Dodson law, optimum performance for sensitive and complex tasks occurs at levels of arousal that are

Which psychological school first identified that visual perception occurs in terms of whole objects rather than individual component parts?

A) Behaviorism B) Gestalt C) Humanistic D) Psychoanalytic

An eating disorder characterized by binges of eating followed by self-induced vomiting is called ______

a. anorexia nervosa c. bulimia b. Karposi's anemia d. Huntington's chorea