Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 4 Cognitive complexity models of item log response times by class

From: Understanding examinees’ item responses through cognitive modeling of response accuracy and response times

	Class 1			Class 2			Class 3			Class 4
	b	t-test	Prob.	b	t-test	Prob.	b	t-test	Prob.	b	t-test	Prob.
Surfaces carried	0.545	3.226	0.004	0.404	2.247	0.034	− 0.059	− 0.286	0.777	0.468	2.807	0.010
Degrees rotation	0.260	1.548	0.135	0.304	1.699	0.102	0.047	0.227	0.822	0.408	2.460	0.021
Interaction	− 0.039	− 0.230	0.820	− 0.115	− 0.642	0.527	0.014	0.067	0.947	− 0.088	− 0.528	0.602
Fit index		0.580			0.497			0.083			0.594

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