Table 1.
Fit statistics for the study models. N = 622
| Model | χ2 (df) | χ2/df | IFI | TLI | CFI | RMSEA | SRMR | Δχ2(df) | Model comparision |
|---|---|---|---|---|---|---|---|---|---|
| M1: One-factor model (items 1–9). | 379.376(27)*** | 14.051 | 0.946 | 0.793 | 0.845 | 0.145 | 0.0761 | ||
| M2a: Two-factor model (Comprehensibility + Meaningfulness, and Manageability). | 363.291(26)*** | 13.973 | 0.852 | 0.794 | 0.852 | 0.145 | 0.0770 | 16.085(1)*** | M1 vs. M2a |
| M2b: Two-factor model (Comprehensibility, and Manageability + Meaningfulness). | 316.285(26)*** | 12.165 | 0.873 | 0.823 | 0.872 | 0.134 | 0.0781 | 63.091(1)*** | M1 vs. M2b |
| M2c: Two-factor model (Comprehensibility + Manageability, and Meaningfulness). | 121.661(26)*** | 4.679 | 0.958 | 0.942 | 0.958 | 0.077 | 0.0463 | 194.624(1)*** | M1 vs. M2c |
| M3: Three-factor model (Comprehensibility = 3, 6, 9; Manageability = 1, 4, 7; Meaningfulness = 2, 5, 8). | 121.472(24)*** | 5.061 | 0.957 | 0.936 | 0.957 | 0.081 | 0.0464 | 0.189(2)*** | M2c vs. M3 |
| M4. Modified three-factor model (Co = 1, 3, 6, 9; Ma = 4, 7; Me = 2, 5, 8). | 96.371(24)*** | 4.015 | 0.968 | 0.952 | 0.968 | 0.070 | 0.0407 | 25.29(2)*** | M2c vs. M4 |
Note. Co = comprehensibility, Ma = manageability, Me = meaningfulness. ***p < 0.001