Standard error of an equating by item response theory
By: Frederic M. Lord
Series: Research report - Educational Testing Service -- RR-81-49; Research report (Educational Testing Service) -- RR-81-49
Publisher: Educational Testing Service
Published: 1981
Place of publication: Princeton, NJ
Language: eng
Number of pages: 18
Subjects: Examinations; Evaluation; Item response theory
Notes: "November 1981."

Includes bibliographical references (p. 18).