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ERIC Number: EJ667225
Record Type: Journal
Publication Date: 2002
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISSN: ISSN-1076-9986
Nonparametric Item Response Function Estimates with the EM Algorithm.
Rossi, Natasha; Wang, Xiaohui; Ramsay, James O.
Journal of Educational and Behavioral Statistics, uv27 n3 p291-317 Fall 2002
Combined several developments in statistics and item response theory to develop a procedure for analysis of dichotomously scored test data. This version of nonparametric item response analysis, as illustrated through simulation and with data from other studies, marginalizes the role of the ability parameter theta. (SLD)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A