Table 4 The ANCOVA value of classroom engagement in the posttest.
 | Group | n | Mean | SD | Adjusted mean | F | p |
---|---|---|---|---|---|---|---|
Affective engagement | Treatment | 39 | 31.462 | 2.426 | 31.522 | 17.379 | <0.001 |
 | Control | 39 | 26.564 | 2.945 | 26.504 |  |  |
Behavioral engagement | Treatment | 39 | 42.641 | 6.239 | 42.245 | 190.901 | <0.001 |
 | Control | 39 | 39.282 | 3.539 | 39.697 |  |  |
Cognitive engagement | Treatment | 39 | 42.128 | 3.629 | 42.212 | 20.824 | <0.001 |
 | Control | 39 | 36.769 | 3.842 | 36.686 |  |  |
Disengagement | Treatment | 39 | 5.523 | 1.775 | 5.354 | 54.482 | <0.001 |
 | Control | 39 | 7.821 | 2.211 | 7.979 |  |  |