Statistical bias in maximum likelihood estimators of item parameters
By: Frederic M. Lord
Series: RR-82-20-ONR; Research report (Educational Testing Service) -- RR-82-20-ONR
Publisher: Educational Testing Service
Published: 1982
Place of publication: Princeton, N.J
Language: eng
Number of pages: 24
Subjects: Test bias; Item response theory
Notes: "This research was sponsored in part by the Personnel and Training Research Programs, Psychological Sciences Division, Office of Naval Research ..."

"April 1982."

Includes bibliographical references (p. 23-24).