Performance of copying design variable | Study group Mean ± SD | Control group Mean ± SD | p-value (within groups) |
Pre-treatment | 22.80 ± 2.65 | 23.20 ± 2.14 | 0.6531 |
Post-treatment | 21.47 ± 2.42 | 23.07 ± 2.05 | 0.0606 |
Improvement % | 5.83% | 0.6% | 0.0001 |
p-value (within groups) | 0.0001 | 0.3343 |
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