According to researchers the highest risk for the development of associated disorders occurs during which period of childhood?

A drive refers to:

a. a rigidly patterned behavior characteristic of a species and developed without practice. b. a physiological need that usually triggers a state of motivational arousal. c. anything that is perceived as having positive or negative value in motivating behavior. d. an aroused or activated state that is often triggered by a physiological need. e. a desire to perform a behavior for its own sake.

Which of the following theorists placed the greatest emphasis on developmental events that occur early in life, especially during the first five years?

a. Sigmund Freud b. Erik Erikson c. Jean Piaget d. B. F. Skinner