George is experiencing back pain. His doctor tells him the bones attached to his spinal column have become less dense. The doctor is referring to the

Sigmund Freud's psychodynamic theory was based primarily on the use of ______ studies

a. case c. quasi-experimental b. correlational d. epidemiological

A child who fights with playmates may be expressing

A) organ inferiority. B) masculine protest. C) the aggressive drive. D) superiority striving.