Table 3.
Fit Indices of Unconstrained and Constrained LTA Models Differing in the Specified Number of Latent Profiles
| Index | Unconstrained LTA Models | ||||||
|---|---|---|---|---|---|---|---|
| Two | Three | Four | Five | Six | Seven | Eight | |
| Log likelihood | −14079.53 | −13313.71 | −12988.30 | −12767.75 | −12572.83 | −12399.25 | −12255.73 |
| Free parameters | 99 | 224 | 399 | 624 | 899 | 1244 | 1599 |
| AIC | 28357.06 | 27075.42 | 26774.60 | 26783.50 | 26943.65 | 27264.51 | 27709.46 |
| BIC | 28911.80 | 28330.58 | 29010.36 | 30280.02 | 31981.11 | 34105.10 | 36669.30 |
| Entropy | .81 | .75 | .75 | .78 | .78 | .80 | .80 |
| Index | Constrained LTA Models | ||||||
| Two | Three | Four | Five | Six | Seven | Eight | |
| Log likelihood | −14547.57 | −13632.82 | −13328.44 | −13213.17 | −13112.16 | −12979.99 | −12901.95 |
| Free parameters | 27 | 44 | 63 | 84 | 107 | 216 | 351 |
| AIC | 29149.14 | 27353.64 | 26782.89 | 26594.34 | 26438.32 | 26391.97 | 26505.89 |
| BIC | 29300.43 | 27600.19 | 27135.90 | 27065.02 | 27037.89 | 27602.31 | 28472.68 |
| Entropy | 0.75 | 0.70 | 0.70 | 0.66 | 0.68 | .70 | .71 |
Note. AIC = Akaike information criterion; BIC = Bayesian information criterion