On the viability of some untestable assumptions in equating exams that allow examinee choice
By: Xiang-Bo Wang, Howard Wainer, David Thissen
Contributors: Wainer, Howard; Thissen, David
Series: Program statistics research technical report -- no. 93-31; Research report -- no. 93-21; Research report (Educational Testing Service) -- RR-93-21
Publisher: Educational Testing Service
Published: 1993
Place of publication: Princeton, N.J
Language: eng
Number of pages: 15
Subjects: Examinations; Evaluation; Design and construction; Scoring; Questions
Notes: "March 1993."

Includes bibliographical references (p. 14-15).