Sampling variances and covariances of parameter estimates in item response theory
By: Frederic M. Lord and Marilyn S. Wingersky
Series: RR-82-33-ONR; Research report (Educational Testing Service) -- RR-82-33-ONR
Publisher: Educational Testing Service
Published: 1982
Place of publication: Princeton, N.J
Language: eng
Number of pages: 36
Subjects: Examinations; Design and construction; Item response theory; Parameter estimation
Notes: "This research was sponsored in part by the Personnel and Training Research Programs, Psychological Sciences Division, Office of Naval Research ..."

"August 1982."

Includes bibliographical references (p. 16-20).