Evaluation of the magnitude of differential item functioning in polytomous items
By: Rebecca Zwick, Dorothy T. Thayer
Contributors: Thayer, Dorothy T.; Educational Testing Service
Series: Program statistics research technical report -- no. 94-2; Research report -- no. 94-13; Research report (Educational Testing Service) -- RR-94-13
Publisher: Educational Testing Service
Published: 1994
Place of publication: Princeton, N.J
Language: eng
Number of pages: 25
Subjects: Test bias; Statistical methods; Educational tests and measurements; Validity
Notes: "April 1994."

Includes bibliographical references (p. 19-22).