|   model  |       χ2  |       df  |       NNFI  |       CFI  |       RMSEA  |    
|   Formal Training (FT)  |       50.84  |       35  |       .967  |       .979  |       .043  |    
|   Personal Study (PS)  |       50.00  |       34  |       .971  |       .982  |       .039  |    
|   Reflection on Practice (RP)  |       41.27  |       29  |       .972  |       .985  |       .037  |