Researchers studying the effectiveness of a diet on heart disease divided the study's participants into two groups-those with Type A personalities and those with Type B personalities. Which scale of measurement best characterizes these personality variables?
A. a nominal scale
B. an interval scale
C. a ratio scale
D. an ordinal scale
Answer: A
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Which important cells in the brain were originally thought to be only helper cells to neurons?
A. Mirror neurons B. Glial cells C. Interneurons D. Somas
If we run a chi-square test on a one-way classification, a significant result tells us that
a. science has triumphed over evil. b. the categories are evenly represented in the data. c. the frequencies differ by category. d. we have made an error.
The only major approach to psychotherapy until about 1950 was
a. existential therapy. b. client centered therapy. c. insight therapy. d. action therapy.
Victor and his five friends are graduating college in June. All of them are involved in romantic relationships that started during college. It turns out that all of the couples met because they lived in the same dormitory as freshmen. This is an example of which of the following factors in romantic love:
a. reciprocity b. attribution c. proximity d. companionate