Two types of psychotherapy are compared for treating depression. A random half of the subjects receive each of the treatments. What type of design does this study represent?
a. Single-factor within-subjects
b. Single-factor between subjects
c. One-group pretest-posttest
d. Posttest-only design with nonequivalent control groups
b
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By 10 months of age, Alan has a vocabulary of a dozen words. B. F. Skinner would have attributed Alan's rapid speech development mainly to his
unusually high I.Q. unusual language-acquisition talent. parents' talking to him frequently. rapid physical development.
Students with a performance/avoidance goal orientation will __________
a) study and engage in other behaviors to increase their knowledge. b) exhibit whatever behaviors are needed to avoid failing. c) try to surpass the performance of their peers in order to enhance their own self-worth. d) work to the point where they are at least equal to their peers' level of performance.