Table 3.
Pairwise t-test as post-hoc comparisons of the control and experimental groups, before (pre-) and after (post-) intervention and the influence on the on the PSTs' self-belief (SBTotal). The effect size (Cohen's d) is included when significant differences were found in the SBTotal mean values between groups.
| Comparison |
Mean Difference | SE | df | t | p | Cohen's d | |
|---|---|---|---|---|---|---|---|
| Group | Group | ||||||
| Pre_C | Pre_E | -0.197 | 0.45 | 544 | -0.439 | 0.661 | -- |
| Pre_C | Post_C | -2.802 | 0.459 | 544 | -6.098 | <.001 | 0.753 |
| Pre_C | Post_E | -7.610 | 0.45 | 544 | -16.922 | <.001 | 2.047 |
| Post_C | Pre_E | 2.604 | 0.45 | 544 | 5.791 | <.001 | 0.700 |
| Post_C | Post_E | -4.808 | 0.45 | 544 | -10.692 | <.001 | 1.293 |
| Pre_E | Post_E | -7.413 | 0.44 | 544 | -16.856 | <.001 | 2.000 |