Table 3
Differences in academic performance** before and after the intervention.
| Antes | After | ||||||||
| Variables | M | DE | M | DE | t | gl | p | 1- β | d |
| Academic performance | 3.03 | 0.38 | 3.45 | 0.37 | -14.25 | 47 | .000* | 1 | 2.05 |
| * Significant differences. α = .05. ** Measured considering academic performance in PE | |||||||||
