Table 3.
Fit indices of tested models.
| Model | X2/gl | CFI | TLI | RMSEA | AIC | ||
|---|---|---|---|---|---|---|---|
| RMSEA | 90% CI | p | |||||
| Reference values | <0 2 | >0.90 | >0.90 | <0.10 | [;<0.10] | > 0.05 | the lower |
| Model 1 | 3.302 | 0.987 | 0.874 | 0.075 | [0.000;0.172] | 0.211 | 29.302 |
| Model 2 | 3.256 | 0.993 | 0.892 | 0.075 | [0.000;0.171] | 0.215 | 41.256 |
| Model 3 | 2.207 | 0.965 | 0.894 | 0.055 | [0.026;0.083] | 0.356 | 90.489 |
| Model 4 | 1.935 | 0.966 | 0.918 | 0.048 | [0.020;0.074] | 0.511 | 87.030 |
N = 406; endogenous variable: academic achievement; exogenous variables: model 1 – age, mother’s educational level, and CPM; model 2 – age, mother’s educational level, CPM, and TEC; model 3 and 4 – age, mother’s educational level, CPM, TEC and social competence.