Accession Number : ADA111710

Title :   Maximum Likelihood Estimation of Item Response Parameters When Some Responses are Omitted.

Descriptive Note : Technical rept.,

Corporate Author : EDUCATIONAL TESTING SERVICE PRINCETON NJ

Personal Author(s) : Lord,Frederic M

PDF Url : ADA111710

Report Date : Jan 1982

Pagination or Media Count : 27

Abstract : Two theoretical approaches are considered for dealing with omitted responses. A simple modification of the usual item response theory model leads to internal contradictions. An alternative model is suggested and some special cases are investigated. (Author)

Descriptors :   *Probability, Mathematical models, Estimates, Response

Subject Categories : Statistics and Probability

Distribution Statement : APPROVED FOR PUBLIC RELEASE