A researcher examines the number of "family-size" products on supermarket shelves in America and France, and concludes that Americans prefer larger-sized portions than do the French. A second researcher concludes that the number of members in a typical family is larger in American than in France. These different interpretations indicate that
A. both researchers are wrong.
B. the researchers are making inferences about controlled-use traces.
C. the validity of unobtrusive measures must be examined carefully.
D. time sampling should have been used.
C. the validity of unobtrusive measures must be examined carefully.
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Rima washes her hands repeatedly, unable to find relief from the thought that they are dirty or contaminated. This obsessive behavior may be related to a disorder of the ____
a. thalamus b. hippocampus c. nucleus accumbens d. basal ganglia
Which of the following is not a step when deciding whether or not a population is being represented?
a. Set up the sampling distribution. b. Compute the z-score. c. Compute the mode. d. Compare the z-score to the critical value.
In Pavlov's classical conditioning experiments, the meat powder was the:
a. UCS b. CS c. CR d. UCR
Conflicts that occur between adolescents and their parents often involve
A) mundane things, such as keeping their room clean or taking out the garbage. B) social or political beliefs. C) religion and values. D) future educational plans.