The face is more likely than the body to reveal deception

Is treatment for drug addiction effective?

A. Only if the user wants it to work. B. Most studies do not show any effectiveness. C. Statistically, treatment does reduce crime and increase employment. D. Yes, more than half of those treated remain abstinent for more than a year.

B. F. Skinner argued that all behavior could be understood in terms of

a. an organism's internal mental states. b. genetic predetermination. c. simple forms of learning from environmental stimuli. d. an interaction between motivation and personality.