Maximum likelihood estimation of the joint covariance matrix for sections of tests given to distinct samples with application to test equating
By: Dorothy T. Thayer
Series: ETS research report -- RR-82-14; Program statistics research technical report -- no. 82-29; Research report (Educational Testing Service) -- RR-82-14
Publisher: Educational Testing Service
Published: 1982
Place of publication: Princeton N.J
Language: eng
Number of pages: 20
Subjects: Educational tests and measurements
Notes: Includes bibliographical references (p. 12).