Personality plays a big role in, people high in the trait of ________report more medical problems and more visit to the doctor

When carrying out an experiment, the factor that the researcher manipulates is known as the ________ variable; the researcher measures the ________ variable

a. dependent; dependent b. dependent; independent c. independent; dependent d. independent; independent

The tendency of children to develop a mental pattern for being male or female in much the same way they develop other concepts, such as "dog," "bird," and "big," can best be explained by __________

a) Freudian psychoanalysis. b) Piaget's theory of development. c) gender schema theory. d) social learning theory.