Effect of Rasch calibration on ability and DIF estimation in computer-adaptive tests
By: Rebecca Zwick, Dorothy T. Thayer, and Marilyn Wingersky
Contributors: Thayer, Dorothy T.; Wingersky, Marilyn S.; Educational Testing Service
Series: Research report -- RR-94-32; Research report (Educational Testing Service) -- RR-94-32
Publisher: Educational Testing Service
Published: 1994
Place of publication: Princeton, N.J
Language: eng
Number of pages: 35
Subjects: Test bias; Statistical methods; Computer adaptive testing
Notes: "April 21, 1994."

Includes bibliographical references (p. 22-23).