From: Improving conceptual understanding of gas behavior through the use of screencasts and simulations
Question pair | LO | Pretest mean | Follow-up mean | Mean normalized change | ANOVA results |
---|---|---|---|---|---|
1 | 1 | 0.55 | 0.71 | 0.33 | F1,215 = 64.678, p < 0.001, ηp2 = 0.231 |
2 | 2 | 0.30 | 0.69 | 0.56 | F1,225 = 74.088, p < 0.001, ηp2 = 0.248 |
3 | 2/1 and 2a | 0.76 | 0.36 | − 0.47 | F1,227 = 94.104, p < 0.001, ηp2 = 0.293 |
4 | 3 | 0.50 | 0.81 | 0.62 | F1,214 = 49.788, p < 0.001, ηp2 = 0.189 |
5 | 1 and 3 | 0.15 | 0.29 | 0.16 | F1,209 = 21.848, p < 0.001, ηp2 = 0.095 |