Preintervention | Postintervention | Change | Significance of chance | ||||||||||||||||
Sl. no. | Group | Mean | SD | Mean | SD | Mean | SD | t-value | p-value | ||||||||||
1 | A | 1.86 | 1.26 | 1.44 | 1.21 | 0.43 | 0.72 | 2.654 | 0.016 | ||||||||||
2 | B | 1.79 | 1.35 | 1.11 | 1.27 | 0.68 | 1.05 | 2.898 | 0.009 | ||||||||||
3 | C | 1.46 | 1.39 | 1.27 | 1.31 | 0.22 | 0.66 | 1.464 | 0.160 |
SD: Standard deviation