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Table 10 Chi-square tests comparing the fit of UIRT (2PL) and MIRT (2PL) models

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

Comparison

x 2

Degree of freedom (DF)

P-value

UIRT (2PL) 2-MIRT (2PL)

29.5

13

P-value <0.01

2-MIRT (2PL) 3-MIRT (2PL)

11.47

15

P-value >0.05