Estimation of the conditional standard error of measurement for stratified tests
By: Samuel A. Livingston
Series: ETS research report -- RR-81-30; Research report (Educational Testing Service) -- RR-81-30
Publisher: Educational Testing Service
Published: 1981
Place of publication: Princeton, N.J
Language: eng
Subjects: Educational tests and measurements
Notes: "September 1981."

Includes bibliographical references (p. 5).