A Sample of Difference Scores Has a Mean of M_D

question 46

Multiple Choice

A sample of difference scores has a mean of M_D = 5 with a variance of s² = 100.If effect size is measured using Cohen's d,what is the value of d?​

• A)​d = 5/10
• B)​d = 5/100
• C)​d = 25/100
• D)​This cannot be determined without knowing the sample size.

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