In the preceding example, if only Group A and Group D were included as conditions
a. the effects of both alcohol and number of drinks could be assessed.
b. the effect of alcohol only could be assessed.
c. the effect of number of drinks only could be assessed.
d. alcohol content and number of drinks would be confounded.
D
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Which of the following defines one of the clusters of personality disorders in DSM-5?
a. dissociative symptoms b. odd or eccentric behaviors c. neurotic/mood-disordered behaviors d. child abuse
About one-half of us will meet the criteria for a DSM-VI-TR disorder at some point during our lives. These disorders most often begin in
a. infancy. c. old age. b. adulthood. d. none of these.
Action potentials in muscle fibers a. do not occur
b. spread out in two directions on either side of a receptor site. c. travel in only one direction, from one end of a muscle fiber to the other. d. lead to multiple twitches in that fiber.
A small chamber used in operant conditioning of animals that limits the available responses and, thus, increases the likelihood that the desired response will occur, is called a(n) _____ box
A) trial B) Skinner C) Thorndike D) operant