| χ2 | df | CFI | TLI | RMSEA [90% CI] | SRMR | Composite Reliability | Cronbach alpha | McDonald Omega | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baseline Model | Â | ||||||||||||
Adolescent (n = 169) | 230.607*** | 2 | 0.991 | 0.974 | 0.076 [0.000, 0.187] | 0.023 | 0.848 | 0.834 | 0.848 | ||||
Young Adult (n = 182) | 18.924*** | 2 | 0.925 | 0.776 | 0.216 [0.134, 0.310] | 0.074 | 0.830 | 0.818 | 0.829 | ||||
Measurement Invariance | χ2 | df | CFI | TLI | RMSEA [90%CI] | SRMR | Model Comparison | ∆χ2 | df | p | ∆CFI | ∆RMSEA | ∆SRMR |
Model 1: Configural invariance | 26.845*** | 4 | 0.949 | 0.848 | 0.181 [0.120, 0.249] | 0.041 | - | - | - | - | - | - | - |
Model 2: Metric invariance | 22.142** | 7 | 0.966 | 0.942 | 0.111 [0.061, 0.165] | 0.044 | 2 vs. 1 | 4.703 | 3 | 0.195 | 0.017 | 0.070 | 0.003 |
Model 3: Scalar invariance | 23.707** | 10 | 0.970 | 0.964 | 0.089 [0.043, 0.135] | 0.045 | 3 vs. 2 | 1.565 | 3 | 0.667 | 0.004 | 0.022 | 0.001 |