Source of variation | Sum of squares | df | Mean square | F | Effect size | sig |
Pretest | 52.03 | 8 | 6.75 | 1.46 | 0.04 | 0.378 |
Group | 162.56 | 1 | 162.56 | 35.15 | 0.43 | 0.004 |
Error | 18.50 | 4 | 4.63 |
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