Zelda visits a therapist for treatment of her anxiety. Her therapist teaches her to relax on a
couch while working her way through a fear-stimulus hierarchy.
Eventually, Zelda is able to
remain calm in each of the situations presented in the hierarchy. Her therapist used a
technique called ______.
a. chain breaking c. cue controlled conditioning
b. response prevention d. systematic desensitization
D
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A researcher is working with a special population of adolescents with a particular type of
eating disorder. He reads that the average adolescent with this particular disorder is female, and from a family system with a particular set of demographics. As he recruits the 50 adolescents he needs for this study, he discontinues recruitment for adolescents with the above profile, and only takes on new participants that fit other profiles of adolescents with this disorder. Thus, his sample is roughly the same in terms of demographics as what one would see at the national level. This form of sampling is known as: A) convenience sampling. B) simple random sampling. C) quota sampling. D) special sampling.
When researchers are interested in studying the effects of a variable that they can not control, they use designs
a. experimental b. pseudoscientific c. quasi-experimental d. descriptive e. operational