A researcher conducted an independent samples t-test, and found a Cohen's d effect size of .80. Which of the following interpretations of this effect size is correct? 20% of the variance in the dependent variable is explained by which group the participants are in 80% of the variance in the dependent variable is explained by which group the participants are in The mean of group 1 is .80 standard errors higher than the mean of group 2 The mean of group 1 is .80 standard deviations higher than the mean of group 2

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