| Levene’s Test for Equality of Variances | t-test for Equality of Means | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | 95% Confidence Interval of the Difference | |||
Lower | Upper | |||||||||
Self-selected and textbook assigned topics | Equal variances assumed | 35.190 | .000 | 51.348 | 392 | .000 | .92719 | .01806 | .89169 | .96269 |
Equal variances not assumed | Â | Â | 51.348 | 326.855 | .000 | .92719 | .01806 | .89167 | .96271 |