The "G x E interaction" describes how development is influenced by the interaction of

One reason why people in the general public are often confused about what psychologists do is that:

a. psychologists themselves are often confused about what it means to be a psychologist. b. psychology has never been established as a real academic field. c. there is widespread disagreement among psychologists about the proper role for psychologists. d. there is a wide variety of psychology specialties and roles psychologists can play in the community.

A research group is looking at the effects of optimism vs. pessimism on the number of killer T-cells in an individual’s immune system. Likely, they are working on the ___________ model of the impact of personality on health

a. constitutional predisposition b. interactional stress c. personal immune d. health behavior