An investigation of the use of simplified IRT models for scaling and equating the TOEFL test
By: by Walter D. Way, Clyde M. Reese.
Contributors: Reese, Clyde M.
Series: TOEFL technical report ;; TR-2
Publisher: Educational Testing Service
Published: 1991
Place of publication: Princeton, N.J
Language: eng
Number of pages: 22
Subjects: English language -- Study and teaching -- Foreign speakers.; Test of English as a foreign language.; English language -- Ability testing.
Notes: Includes bibliographical references (p. 21-22).
"TR-90-29."
"February 1991--Cover".