The mean is more useful than the frequency distribution _____
a. when some people refuse to participate in the research
b. when the number of different scores possible is large
c. when nonhuman research participants are being tested
d. all of these
B
A frequency distribution that lists all the responses made by 500 respondents would be unwieldy and too long to be able to summarize the responses effectively. For large data sets, the mean gives, in a single number, a summary of how all the participants responded.
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Miguel will be using scientific jury selection in an upcoming trial. The first step of this process will be to a. ask prospective jurors personal questions during the voir dire. b. assess demographic characteristics and trial-relevant attitudes of the community in which the trial will takeplace
c. submit a motion to the judge to allow an independent consulting firm to interview prospective jurors. d. meet with the judge and opposing counsel to discuss the range of questions that will be permitted during thevoir dire.
One potential problem with self-report measures is that
a. respondents typically dislike them. b. they do not provide information concerning the direction of an attitude. c. respondents might not respond truthfully. d. it is not possible to assess the validity of self-report measures.
The major conclusion from Terman’s study of genius was that:
a. gifted children became gifted adults. b. gifted children became more average as they grew older. c. although gifted children remained gifted as adults, they tended to have more emotional problems than did average individuals. d. “early ripe, early rot.”
Professor Gasaway tells her class that humans have a blind spot in each eye because of the
A. fovea. B. optic disk. C. macula. D. rods.