After these modifications, the modified path model (Figure 7.3) had 9 observed variables, and thus, it had 45 (calculated by 9×10/2) observations (distinct sample moments). According to the AMOS Parameter Summary, the modified model (a) had 26 unfixed parameters (distinct parameters to be estimated). As a consequence, the modified path model was overidentified with 19 (45-26) degrees of freedom (Table 7.6).
Number of distinct sample moments: 45
Number of distinct parameters to be estimated: 26
Degrees of freedom (45 – 26): 19
Table 7.6 Computation of degrees of freedom (Modified path model, AMOS Output)
The path estimates from the ML method for the modified model is shown in Table 7.7. All of the 5 direct paths were statistical significant (p