A study of the effects of youth soccer programs on self-esteem found that children who played competitive
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A study of the effects of youth soccer programs on self-esteem found that children who played competitive soccer had more self-esteem than other children. Identify the most important statistical bias in this sample and describe a (hypothetical) controlled experiment that would get rid of this problem.
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Related Book For
Essential Statistics Regression And Econometrics
ISBN: 9780123822215
1st Edition
Authors: Gary Smith
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