| Group | N | Mean Age | SD | Minimum Age | Maximum Age | 50 Percentile | pª value |
| EG | 30 | 8.80 | 1.03 | 7.00 | 10.00 | 9.00 | 0.884 |
| CG | 30 | 8.83 | 1.05 | 7.00 | 10.00 | 9.00 | |
| Total | 60 | 8.82 | 1.03 | 7.00 | 10.00 | 9.00 |
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