Exercise 3: Two-Sample t-Test What if Gillespie and Myors hypothesized that singers, on average, would exhibit more
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Exercise 3: Two-Sample t-Test What if Gillespie and Myors hypothesized that singers, on average, would exhibit more “attitude” than instrumentalists, given their higher profile on stage? Assuming that this hypothesis translates into the hypothesis that singers would be less agreeable than instrumentalists, what sample size would be needed to test for a significant difference in Agreeableness? Note that the reliability of the Agreeableness scale is .86 (Costa & McCrae, 1992,
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Related Book For 
The Psychology Research Handbook A Guide For Graduate Students And Research Assistants
ISBN: 108851
2nd Edition
Authors: Frederick Leong, James Austin
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