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Table 9 Goodness of fit statistics for UIRT (2PL) and MIRT (2PL) models in test-one

From: Evaluating the quality of the ontology-based auto-generated questions

IRT models -2 log likelihood Free parameters AIC BIC
UIRT (2PL) 2085.82 28 2141.82 2144.63
2-MIRT (2PL) 2057.31 41 2139.31 2143.43
3-MIRT (2PL) 2044.58 56 2156.58 2162.2