| One-Sample Test | ||||||
|
| Test Value = 0 | |||||
| t | df | Sig. (2-tailed) | Mean Difference | 95% Confidence Interval of the Difference | ||
| Lower | Upper | |||||
| PreDemin_a | −21.316 | 21 | 0.000 | −1.3952727 | −1.531395 | −1.259151 |
| PostDemin_a | −16.370 | 21 | 0.000 | −1.2910000 | −1.455005 | −1.126995 |
| PreDemin_b | 8.906 | 21 | 0.000 | 6.2258182 | 4.772011 | 7.679626 |
| PostDemin_b | 7.898 | 21 | 0.000 | 6.0773182 | 4.477173 | 7.677463 |