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Chapter 10 - Quasi-Experimental Designs and Program Evaluation
27. (p. 311) Participants for a treatment group are chosen because they score very low on a
pretest measure of performance. When their performance improves on the posttest, the
researcher
28. (p. 312) The Sports Illustrated jinx refers to the idea that athletes who are featured on the
cover of the magazine after exceptional performances typically perform worse in subsequent
competitions. The most likely statistical explanation of this phenomenon is
29. (p. 312) The main problem associated with subject attrition during the course of a study is
that
10-18
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McGraw-Hill Education.
37. (p. 315) When people's performance changes because they are enthusiastic or energized by
an intervention, the results of a study are likely affected by
38. (p. 315-316) An intervention in an office setting leads employees to be pleased that the
management is interested in their welfare. If the employees' performance improves in this
situation, the researcher should be concerned about potential
