Chapter 2: Problem 15
Anecdotal evidence: A. is often concrete, vivid, and memorable. B. tends to influence people. C. is fundamentally flawed and unreliable. D. is all of the above.
Chapter 2: Problem 15
Anecdotal evidence: A. is often concrete, vivid, and memorable. B. tends to influence people. C. is fundamentally flawed and unreliable. D. is all of the above.
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Get started for freeA researcher found that clients who were randomly assigned to same-sex groups participated more in group therapy sessions than clients who were randomly assigned to coed groups. In this experiment, the independent variable was: A. the amount of participation in the group therapy sessions. B. whether or not the group was coed. C. the clients' attitudes toward group therapy. D. how much the clients' mental health improved.
The problem of experimenter bias can be avoided by: A. not informing subjects of the hypothesis of the experiment. B. telling the subjects that there are no "right" or "wrong" answers. C. using a research strategy in which neither subjects nor experimenter know which subjects are in the experimental and control groups. D. having the experimenter use only nonverbal signals when communicating with the subjects.
Among the advantages of descriptive/correlational research is (are): A. it allows investigators to isolate cause and effect. B. it permits researchers to study variables that would be impossible to manipulate. C. it can demonstrate conclusively that two variables are causally related. D. both a and b.
When psychologists say that their results are statistically significant, they mean that the results: A. have important practical applications. B. have important implications for scientific theory. C. are unlikely to be due to the fluctuations of chance. D. are all of the above.
In a study of the effect of a new teaching technique on students' achievement test scores, an important extraneous variable would be the students': A. hair color. C. IQ scores. B. athletic skills. D. sociability.
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