TABLE 2.
Goodness of fit measures and variance explained for analyses 1, 2, and 3.
| % Variance explained | RMSEA [CI]* | AGFI | CFI | TLI | |
| Analysis 1: full sample | |||||
| EFA-4 factors | 50 | 0.079 [0.073–0.085] | 0.884 | ||
| EFA-5 factors | 54 | 0.069 [0.062–0.076] | 0.914 | ||
| CFA | 0.081 [0.073–0.088] | 0.999 | 0.91 | 0.894 | |
| SEM with predictors | 0.093 [0.090–0.096] | 0.75 | 0.694 | ||
| Analysis 2: private SEM | 0.093 [0.086-0.099] | 0.75 | 0.70 | ||
| Analysis 3: Montessori duration SEM | 0.090 [0.085–0.094] | 0.73 | 0.67 |
*90% Confidence Interval for EFA; 95% for CFA and SEM.