A framework for studying differences between multiple-choice and free-response test items
By: Robert J. Mislevy
Contributors: Educational Testing Service
Series: Research report -- RR-91-36; Research report (Educational Testing Service) -- RR-91-36
Publisher: Educational Testing Service
Published: 1991
Place of publication: Princeton, N.J
Language: eng
Number of pages: 34
Subjects: Examinations; Validity
Notes: "April, 1991." Cover: May 1991.

Includes bibliographical references (p. 30-34).