An instructor wishes to find out whether a new teaching method is superior to his usual procedures, so he conducts an experiment. Everyone in his classes is quite excited about the prospect of learning under the new procedure, but he cannot administer the new teaching method to everyone: a random half of the students receive the new method and the remaining half receive the old method. What is
the most obvious flaw in this experiment?
a. Subjects should have been systematically assigned to groups.
b. The sample is not representative of the population.
c. Placebo effects or experimenter bias are likely to affect results.
d. Distortions in self-report will affect results.
C
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Which statement about the id is most accurate?
a. It is in close contact with bodily needs. b. It follows the reality principle. c. It houses the conscience. d. It drives us to live up to our ideals.
Tamara is deathly afraid of coming in contact with germs. So, her therapist gradually exposes Tamara to "unclean" things,
such as touching dirt or taking a bite of an unwashed piece of fruit, while in a calm, relaxed, and supportive environment. This technique is known as a. systematic desensitization. b. vicarious conditioning. c. spontaneous recovery. d. modeling.