Question: Using Cohens d, state whether a 3-point treatment effect (M1 M2 = 3) is small, medium, or large for a two-independent-sample t test, given

Using Cohen’s

d, state whether a 3-point treatment effect (M1 − M2 = 3) is small, medium, or large for a two-independent-sample t test, given the following values for the pooled sample variance:

1. 2. 3. 4. S S S 2 P=9 2 P=36 2

1. 2. 3. 4. S S S 2 P=9 2 P=36 2 Sp=576 S 2 P-144

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