A process involving the recording of behavior in its natural context, such as the classroom or the home, is known as ________ observation.

Many psychologists today believe that Freud's most important contribution to the science of psychology resulted from his emphasis on

a. unconscious processes. b. the manifest content of behavior. c. Freudian slips. d. inferiority.

Over the past century, the rate of infertility in the United States has ____

a. remained the same at 35% b. declined to 5% c. remained the same at 10–15% d. declined to 10–25%