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ERIC Number: ED249284
Record Type: RIE
Publication Date: 1984-Jul
Pages: 33
Abstractor: N/A
Reference Count: 0
Bayesian Analysis of Item Response Curves. Research Report 84-1. Mathematical Sciences Technical Report No. 132.
Tsutakawa, Robert K.; Lin, Hsin Ying
Item response curves for a set of binary responses are studied from a Bayesian viewpoint of estimating the item parameters. For the two-parameter logistic model with normally distributed ability, restricted bivariate beta priors are used to illustrate the computation of the posterior mode via the EM algorithm. The procedure is illustrated by data from a mathematics test. (Author)
Publication Type: Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: Office of Naval Research, Arlington, VA. Personnel and Training Research Programs Office.
Authoring Institution: Missouri Univ., Columbia. Dept. of Statistics.
Identifiers: ACT Assessment; EM Algorithm; Item Parameters; Two Parameter Model