SAT12

data obtained from the TESTFACT (Woods et al., 2003) manual, with 32 response pattern scored items for a grade 12 science assessment test (SAT) measuring topics of chemistry, biology, and physics. The scoring key for these data is [1, 4, 5, 2, 3, 1, 2, 1,

data

Analysis of dichotomous and polychotomous response data using latent 
		trait models under the Item Response Theory paradigm. 
		Includes the multivariate two- and three-parameter logistic 
		models, confirmatory bifactor analysis, polytomous confirmatory
		and exploratory item response models, and partially-compensatory item response
		modeling in conjunction with other IRT models. 

SAT12: Description of SAT12 data

Description

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