Andrea Is Told That the Means of Two Groups in a Study

question 56

Multiple Choice

Andrea is told that the means of two groups in a study were statistically significant. She knows the means and standard deviations of the two groups and is interested in calculating an estimate of effect size. Given this information, which effect size estimate should she calculate?

• A)F
• B)Effect size r
• C)Cohen's d
• D)Alpha

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