Source of variation | SS | df | MS | F | p - value |
---|---|---|---|---|---|
Adolescents | |||||
Knowledge | |||||
Between subjects | |||||
Intervention | 51,858.036 | 1 | 51,858.036 | 4.172 | < 0.001 |
Error | 1019.151 | 82 | 12.429 | ||
Within subjects | |||||
Time | 700.310 | 1.309 | 534.888 | 130.536 | < 0.001 |
Intervention x time | 611.770 | 1.309 | 467.262 | 114.032 | < 0.001 |
Error | 439.921 | 107.360 | 4.098 | ||
Attitude | |||||
Between subjects | |||||
Intervention | 756,152.444 | 1 | 756,152.444 | 9.735 | <0.001 |
Error | 6369.222 | 82 | 77.673 | ||
Within subjects | |||||
Time | 825.294 | 1.779 | 463.851 | 61.612 | <0.001 |
Intervention x time | 719.643 | 1.779 | 404.471 | 53.724 | <0.001 |
Error | 1098.397 | 145.896 | 7.529 | ||
Grandmothers | |||||
Knowledge | |||||
Between subjects | |||||
Intervention | 50,858.730 | 1 | 50,858.730 | 2.052 | <0.001 |
Error | 2032.794 | 82 | 24.790 | ||
Within subjects | |||||
Time | 387.175 | 1.575 | 245.798 | 40.098 | <0.001 |
Intervention x time | 496.381 | 1.575 | 315.128 | 51.407 | <0.001 |
Error | 791.778 | 129.164 | 6.130 | ||
Attitude | |||||
Between subjects | |||||
Intervention | 734,724.004 | 1 | 734,724.004 | 7.262 | < 0.001 |
Error | 8296.325 | 82 | 101.175 | ||
Within subjects | |||||
Time | 616.056 | 2 | 308.028 | 40.827 | < 0.001 |
Intervention x time | 487.960 | 2 | 243.980 | 32.338 | < 0.001 |
Error | 1237.317 | 164 | 7.545 |