An IERI – International Educational Research Institute Journal
Table 1 Fit of successive numbers of latent classes for response accuracy
Number classes | Number parameters | − 2lnL | Chi square difference | BIC | AIC |
|---|---|---|---|---|---|
1 | 29 | 24,746.14 | 24,938.05 | 24,804.15 | |
2 | 59 | 24,529.13 | 216.96* | 24,919.61 | 24,647.19 |
3 | 89 | 24,397.68 | 131.50* | 24,986.63 | 24,575.68 |
4 | 119 | 24,320.20 | 77.48* | 25,107.68 | 24,558.21 |
5 | 149 | 24,257.22 | 62.98* | 25,243.22 | 24,555.23 |