To control for the Hawthorne effect, you need:
a. more than one observer.
b. a control group that is not given special attention.
c. a control group that is given special treatment but does not get the experimental treatment.
d. a placebo group.
C
You might also like to view...
Morphine stimulates the same brain synapses as which of these transmitters?
a. Dopamine b. Endorphin c. Serotonin d. Acetylcholine
The trial-and-error approach to problem-solving is most effective when
a. there is a relatively large number of possible solutions. b. there is a relatively small number of possible solutions. c. there are no time constraints on solving the problem. d. a solution to the problem must be found quickly.
Paul was treated using in vivo exposure and a variety of behavior therapy procedures. This illustrates the use of
a. a treatment package. b. the self control approach. c. a scientific approach. d. an active approach.
In Erik Erikson's theory of lifespan development, an individual reaches the mature stage when he or she is about ________ years old.
A. 55 B. 65 C. 75 D. 85