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What was the purpose of calculating a cohens d

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What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?

What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?

What if the researcher compared the adolescent boys before treatment and again after treating them for depression? What type of t-test would be most appropriate in this case, and why?

Reference no: EM13846813

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What was the purpose of calculating a cohens d : What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?
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