According to psychodynamic theorists, smoking is a(n) ______

Neither the participants nor the experimenter knows if the participants are in the control or experimental group in a

a. random-assignment study. b. single-blind study. c. double-blind study. d. placebo-effect study.

_____ attempts to explain how the actual, imagined, or implied presence of others influences the thoughts, feelings, and behavior of individuals

a) Social psychology b) Behavioral psychology c) Cognitive psychology d) Community psychology