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Table 8 Comparison between the expert-defined and standards-based Q-matrices

From: Educational L2 constructs and diagnostic measurement

 

Standards-based Q-matrix

Expert-defined Q-matrix

Relative fit

 -LL

− 195658.4

− 196322.85

 AIC

391606.701

392893.709

 BIC

392678.286

393810.099

Absolute fit

2

75.290

129.163

 MADcor

0.012

0.018

 SRMSR

0.016

0.024

 MADres

0.281

0.392

 MADQ3

0.024

0.023

 Mean RMESEA

0.016

0.023