An Independent-Measures Study Produces Sample Means of M₁ = 20

question 25

Multiple Choice

An independent-measures study produces sample means of M₁ = 20 and M₂ = 17.If both samples have n = 18 scores and Cohen's d = 0.50,what is the value for the pooled variance?

• A)2
• B)4
• C)6
• D)36

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