Table 6.
Irrational Procrastination Scale invariance tests, gender and age (IPS reversed items not included).
| N | χ2 (df) | RMSEA | Diff χ2 (df), p | CFI | |
|---|---|---|---|---|---|
| Gender | |||||
| Men | 1750 | 66.259 (9) | 0.060 | 0.991 | |
| Women | 2357 | 107.792 (9) | 0.068 | 0.989 | |
| Multigroup analysis | |||||
| Configural | 174.05 (18) | 0.06 | 0.99 | ||
| Metric | 197.56 (23) | 0.06 | 23.51 (5), 0.00 | 0.99 | |
| Scalar | 289.82 (29) | 0.05 | 92.26 (6), 0.00 | 0.99 | |
| Age groups | |||||
| Age < 30 | 1594 | 103.455 (9) | 0.081 | 0.983 | |
| Age > 30 | 2574 | 77.951 (9) | 0.055 | 0.994 | |
| Gender, age > 30 | |||||
| Configural | 85.44 (18) | 0.05 | 0.99 | ||
| Metric | 94.31 (23) | 0.05 | 8.87 (5), 0.11 | 0.99 | |
| Scalar | 128.90 (29) | 0.05 | 34.59 (6), 0.00 | 0.99 | |