计算机动态测验中问题解决过程策略的分析：多水平混合IRT模型的拓展与应用
|
|
李美娟, 刘玥, 刘红云
|
Analysis of the Problem-solving strategies in computer-based dynamic assessment: The extension and application of multilevel mixture IRT model
|
|
LI Meijuan, LIU Yue, LIU Hongyun
|
|
表3 模型拟合指标结果
|
| |
|
| 潜类别数 | 自由估计参数数量 | Loglikelihood | AIC | BIC | aBIC | 熵 | | 1 | 69 | -1249381.591 | 2498901.183 | 2499580.786 | 2499361.502 | — | | 2 | 93 | -1042231.477 | 2084648.954 | 2085564.941 | 2085269.384 | 0.927 | | 3 | 117 | -983675.008 | 1967584.017 | 1968736.388 | 1968364.557 | 0.935 | | 4 | 141 | -932442.034 | 1865166.068 | 1866554.823 | 1866106.720 | 0.930 | | 5 | 165 | -902308.165 | 1804946.330 | 1806571.468 | 1806047.092 | 0.935 | | 6 | 189 | -873709.569 | 1747797.138 | 1749658.661 | 1749058.012 | 0.943 | | 7 | 340 | -856672.635 | 1713771.269 | 1715869.176 | 1715192.253 | 0.943 |
|
|
|