From: Designing and evaluating an augmented reality system for an engineering drawing course
 | Achievement level | Group | N | Mean | SD | F-value | p |
---|---|---|---|---|---|---|---|
Pre-test | High | EG | 124 | 10.09 | 4.83 | 1.56 | 0.41 |
 |  | CG | 121 | 10.88 | 5.07 |  |  |
 | Average | EG | 14 | 10.50 | 5.60 | 0.95 | 0.33 |
 |  | CG | 12 | 12.55 | 4.60 |  |  |
 | Low | EG | 58 | 9.42 | 4.79 | 1.20 | 0.27 |
 |  | CG | 63 | 10.40 | 4.96 |  |  |
Post-test | High | EG | 124 | 17.23 | 4.77 | 72.04* | 0.00 |
 |  | CG | 121 | 12.21 | 4.40 |  |  |
 | Average | EG | 14 | 19.00 | 1.04 | 109.35* | 0.00 |
 |  | CG | 12 | 14.66 | 1.43 |  |  |
 | Low | EG | 58 | 18.10 | 3.07 | 75.00* | 0.00 |
 |  | CG | 63 | 13.45 | 2.73 |  |  |