Independent Samples Test Levene's Test for Equality of Variances test for Equality of Means 95% Confidence Interval of the Mean Std. Error Difference F Sig. dir Sig. (2-tailed) Difference Difference Lower Upper Score Equal variances 1.466 .233 3.409 38 assumed 002 2.350 .689 955 3.745 Equal variances not 3.409 36.768 assumed 002 2.350 689 .953 3.747 Has the assumption of homogeneity of variance been met in this analysis? Yes O No O Yes, but only for the reference group. O It is impossible to tell based on this output