In a matrix for a factorial design, the row means and column means represent the effects of
a. extraneous factors
b. a single factor (variable)
c. an interaction
d. individual differences
b
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A researcher obtains t(20) = 2.00 and MD = 9 for a repeated-measures study. If the researcher measures effect size using the percentage of variance accounted for, what value will be obtained for r2?
a. 9/20 c. 4/13 b. 9/29 d. 4/24
Stimuli reliably paired with drug administration often elicit effects _____ the drug; as a result, _____ to the drug develops.
A) similar to; withdrawal B) opposite that of; tolerance C) similar to; psychological dependence D) opposite that of; expectancy effects
Dave's team has developed an intervention for use with high school students who are facing the unexpected death of a fellow student. This approach has been tested in a typical university community in the southern United States. Dave is now testing the intervention in urban areas and also has plans to test it in a number of other areas. Dave is conducting ____
a. applied research b. implementation research c. basic research d. policy research
Research has determined that symbolic modeling therapy is more effective than participant modeling when treating phobias
a. true b. false