Random assignment ______.
A. eliminates the influence of potential confounds
B. distributes the influence of potential confounds across groups
C. holds constant the influence of potential confounds
D. manipulates the effect of potential confounds
Ans: B
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Multiple standardization procedures on the TTCT over time have shown that in the general population, IQ has ________, while creativity has ________
a. stayed the same; increased b. decreased; increased c. stayed the same; decreased d. increased; decreased
Therapists may be reluctant to treat problems such as social withdrawal or school refusal behavior, because there is no
a. formal prognosis. b. formal diagnosis. c. treatment protocol. d. evaluation instrument available.
Jeong is having his brain scanned. As the machine is working, he is asked to read words on a screen. He is most likely having a(n):
a. MRI scan c. fMRI scan b. SET scan d. x-ray scan
Most decisions are made under conditions of uncertainty. One implication of this statement is that
a. people delay making decisions. b. people must make assessments of probability in order to make a decision. c. attentional resources become more important. d. decisions are never optimal.