A factorial experimental design is a research design in which groups are created by manipulating the levels of two or more factors, then the same participants are observed in each group using experimental procedures of control for timing and order effects.

May believed that Freud's concept of determinism is useful in discussing

a) inanimate objects. b) neurotics. c) only male patients. d) any human being.

After a conditioned response has been extinguished and a period of time has passed, _____ may occur in response to the original conditioned stimulus; however, it will be in _____ form

a) higher-order conditioning; stronger b) generalization; weaker c) spontaneous recovery; weaker d) generalization; stronger