Table 9 The t-test value of student work.
 | Group | n | Mean | SD | t | p |
---|---|---|---|---|---|---|
Technical Skill | Treatment | 39 | 4.487 | 0.389 | 2.554 | 0.006 |
 | Control | 39 | 4.248 | 0.437 |  |  |
Adherence to Theme | Treatment | 39 | 4.615 | 0.379 | 2.550 | 0.006 |
 | Control | 39 | 4.376 | 0.447 |  |  |
Composition and Design | Treatment | 39 | 4.530 | 0.437 | 2.725 | 0.004 |
 | Control | 39 | 4.248 | 0.476 |  |  |
Creativity and Originalit | Treatment | 39 | 4.581 | 0.444 | 3.515 | <0.001 |
 | Control | 39 | 4.205 | 0.499 |  |  |
Effort and Improvement | Treatment | 39 | 4.624 | 0.352 | 3.502 | <0.001 |
 | Control | 39 | 4.325 | 0.401 |  |  |