Toward a psychometrics for testlets
By: Howard Wainer and Charles Lewis
Contributors: Lewis, Charles, 1943-
Series: RR -- 89-29; Research report (Educational Testing Service) -- RR-89-29
Publisher: Educational Testing Service
Published: 1989
Place of publication: Princeton, N.J
Language: eng
Number of pages: 14
Subjects: Examinations; Design and construction
Notes: "June 1989"--Cover.

Includes bibliographical references (p. 13-14).