Group Statistics Std. Std. Error Gender N Mean Deviation Mean Job satisfaction 0 20 24.55 5.726 1.280 20 30.90 4.689 1.049Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of Sig. (2- Mean Std. Error the Difference F Sig. t df tailed) Difference Difference Lower Upper Job satisfaction Equal variances 682 414 -3.837 38 <.001 assumed equal variances not assumedindependent samples effect sizes standardizera point confidence interval estimate lower upper job satisfaction cohen d hedges correction glass delta a. the denominator used in estimating sizes. uses pooled standard deviation. deviation plus a factor. sample of control group>