Researchers in personality often use a type of field study in which they are not able to randomly assign subjects to particular conditions, but use groups as they find them in real life. These types of studies are called _______________

When nursing home residents were able to assume more responsibility for their routine all of the following happened EXCEPT

a. residents were more alert. b. residents were happier than the controls c. residents' lifespans were positively affected. d. residents' lifespans were negatively affected. e. residents were more active.

Biology also influences sexual behavior. Women have the strongest desire for sex around the time they _____, which would be predicted by _____ theory

a) ovulate; evolutionary b) ovulate; learning c) stop menstruating; social-learning d) stop menstruating; evolutionary