Levene’s test for equalilty of variances | t-Test for equalilty of means | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
F | Sig | t | df | Sig. (2—tailed) | Mean difference | Std. error difference | 95% Confidence interval of the difference | |||
Lower | Upper | |||||||||
Pretest | Equal variances assumed | 0.042 | 0.437 | − 0.431 | 101 | 0.667 | − 0.66478 | 1.54196 | − 3.72361 | 2.39404 |
Equal variances not assumed | − 0.431 | 100.635 | 0.667 | − 0.66478 | 1.54257 | − 3.72496 | 2.39540 | |||
Posttest | Equal variances assumed | 0.745 | 0.290 | 1.960 | 101 | 0.000 | 3.66403 | 1.86908 | − 0.04373 | 7.37178 |
Equal variances not assumed | 1.961 | 100.991 | 0.000 | 3.66403 | 1.86889 | − 0.04336 | 7.37141 |