Table 3.
Intervention Effects on Students’ Final Grade and Grade Components in the Online Learning Program (Experiment 2)
| Descriptive: M (SD) |
Control vs. Int. |
Control vs. high SES |
Int. vs. high SES |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Low SES Cont. | Low SES Int. | High SES | p | d | p | d | p | d | |
| Final grade in the learning platform | 92.99 (11.73) |
95.15 (8.15) | 94.12 (9.87) |
.020 | .22 | .237 | .11 | .182 | .11 |
| Weeks no material started a | 0.49 (1.16) |
0.41 (0.87) |
0.49 (1.01) |
.367 | .08 | .946 | <.01 | .348 | .08 |
| % Weekly learning material completed a | 99.44 (1.80) | 99.40 (1.92) | 99.31 (2.23) |
.806 | .02 | .494 | .06 | .640 | .07 |
| Performance on weekly tests | 90.29 (6.72) | 92.21 (5.51) | 91.80 (5.70) |
.001 | .32 | .006 | .25 | .389 | .04 |
| Extra assignments completed per week | 2.45 (2.75) | 3.21 (4.03) |
2.78 (3.35) |
.020 | .22 | .237 | .11 | .165 | .28 |
Note. Cont. = low-SES control group; Int. = low-SES intervention group.
a
Patterns for these variables are consistent with a ceiling effect.