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Comparison of the mean aggression level before and after the intervention between the experiment and control groups
| p-value | Control group | Experiment group | |||
|---|---|---|---|---|---|
| Standard deviation | Mean | Standard deviation | Mean | ||
| 0.188 | 12 | 59.17 | 10.58 | 54.11 | Before intervention |
| 0.001 | 11 | 63.72 | 10.00 | 47.72 | After intervention |
| – | 0.013 | 0.015 | P-value | ||
