51)Jean Piaget’s research efforts primarily employed A)case-study methods. B)electrophysiological measures. C)cognitive experiments. D)laboratory experiments. 52)Piaget’s case-study methods were used to A)solve practical problems. B)conduct research on development. C)conduct research to find solutions to practical problems. D)study abnormal emotional development. 53)Piaget used case-study research methods with children to study A)thinking and problem solving. B)the environment. C)motivation. D)relationships. 54)Piaget’s ideas, which were based on low-constraint methodology, have A)not held up under more constrained settings. B)mostly held up under close scientific scrutiny. C)proved to be less valuable than first thought. D)been shown to be invalid. 55)Piaget’s major contribution to research with children has been in the area of A)dysfunctional children. B)functional children in dysfunctional families. C)cognitive development in children. D)play techniques in children. 56)Case-study research looks at A)the total context and natural flow of behaviors. B)highly constrained naturalistic behaviors. C)limited classes of behavior, rather than the total context and natural flow of behavior. D)all classes of behavior. 57)Case-study research methods would most likely be used to study A)the social order of elephants. B)individual personal adjustment. C)the relationship between watching TV and aggression. D)performance on a memory task. 58)The research of Jean Piaget on the cognitive development of children is an example of A)naturalistic research. B)case-study research. C)differential research. D)experimental research. 59)Of the following, which is NOT an example of naturalistic research? A)Charles Darwin’s work on natural selection. B)Jane Goodall’s work on chimpanzees. C)Sigmund Freud’s clinical work. D)Dian Fossey’s work on gorillas. 60)Case studies focus typically on A)groups. B)individuals. C)environments. D)collective environments. Â