A 2-year-old child who undergoes toilet training begins to feel control over his or her body. The child feels that he or she can do things himself or herself without relying on his or her parents. According to Erik Erikson's theory of psychosocial development, the child is in the:

Randy is recovering from an automobile accident in which he injured his head. The only noticeable psychological symptom of his injury is that he cannot remember what happened immediately prior to the accident

Randy's symptoms are typical of _____________. a. organic amnesia b. retrograde amnesia c. psychogenic amnesia d. proactive inhibition

The nature-nurture controversy is primarily concerned with

a. the use of a chronological versus a longitudinal approach. b. the difference between developmental and chronological age. c. the relative importance of heredity and environment. d. the extent to which development is continuous or discontinuous. e. whether to study similarities or differences between people.