Pretest | Posttest | Gain = posttest – pretest | |||||
---|---|---|---|---|---|---|---|
Category | Mean | Std. dev. | Mean | Std. dev. | Mean gain | t | p-value |
Total score | 5.23 | 2.06 | 7.03 | 1.77 | 1.8 | 4.267 | 0.000 |
General | 1.00 | 0.64 | 1.37 | 0.61 | 0.37 | 3.266 | 0.003 |
Point charge | 1.07 | 0.74 | 1.43 | 0.68 | 0.37 | 2.257 | 0.032 |
Line charge | 1.1 | 0.71 | 1.53 | 0.68 | 0.43 | 2.765 | 0.010 |
Ring charge | 2.06 | 1.11 | 2.7 | 1.02 | 0.63 | 2.392 | 0.023 |