The _____ implies that the primary reason for motivation is to maintain just the right level of mental and physical activity and alertness—not being too bored or too overwhelmed

Psychologists are most likely to use case studies instead of other research methods when they wish to study ____.?

a. ?cause-effect relationships between variables b. ?phenomena that are new, complex, or rare c. ?group behavior and public opinion d. ?people without being intrusive

Craig and Sandra's relationship has a distinct sense of mutual reciprocity and a significant affective investment from each child. Their relationship can be defined as a

a. friendship. c. crowd. b. clique. d. model.