Research has shown that people are more likely to show dishonest and self-interested behaviors in darkness than
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Thus, the task provided a clear opportunity to cheat and receive undeserved money. One group of participants was tested in a room with dimmed lighting and a second group was tested in a well-lit room. The reported number of solved puzzles was recorded for each individual. The following data represent results similar to those obtained in the study.
a. Is there a significant difference in reported performance between the two conditions? Use a two tailed test with a = .01.
b. Compute Cohen's d to estimate the size of the treatment effect.
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Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781133956570
8th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
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