An analysis of test writers' expertise
Subtitle: modeling analogy item difficulty
By: Mary K. Enright and Isaac I. Bejar
Contributors: Bejar, Isaac I.
Series: RR -- 89-35; Research report (Educational Testing Service) -- RR-89-35
Publisher: Educational Testing Service
Published: 1989
Place of publication: Princeton, N.J
Language: eng
Number of pages: 24
Subjects: Examinations; Design and construction
Notes: "July 1989"--Cover.

Includes bibliographical references (p. 17-18).