Dr. Welsh is doing experiments using drugs. He is concerned that his subjects will respond to demand characteristics. He may want to control for this by using which of the following?
a. stratification
b. two independent variables
c. a placebo
d. randomization
Answer c % correct 70 a= 4 b= 5 c= 70 d= 21 r = .33
Psychology
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Like neurons in the LGN, simple cells respond best to spots of light in the center or in the surround of their receptive fields
a. true b. false
Psychology
Arlene has an irrational fear of flying in airplanes. She is probably suffering from a
a. mania. b. obsession. c. compulsion. d. specific phobia. e. panic attack.
Psychology