| N | Mean | Standard deviation | Standard error mean | Pre-test score | t | df | Sig | Mean difference | Standard error difference | 95% confidence interval of the difference lower upper | |
Traditional group | 45 | 10.4677 | 5.07041 | 0.75585 | Equal variances assumed | 1.931 | 88 | 0.067 | 1.55778 | 0.81701 | −0.04585 | 3.20140 |
Flipped group | 45 | 8.8889 | 2.08045 | 0.31014 | Equal variances not assumed | 1.931 | 87.273 | 0.067 | 1.55778 | 0.81701 | −0.05739 | 3.21295 |