Concurrent calibration of dichotomously and polytomously scored TOEFL items using IRT models
By: K. Linda Tang, Daniel R. Eignor.
Contributors: Eignor, Daniel R.
Series: TOEFL technical report ;; TR-13
Publisher: Educational Testing Service
Published: 1997
Place of publication: Princeton, N.J
Language: eng
Number of pages: 98
Subjects: Test of English as a Foreign Language -- Validity.; English language -- Study and teaching -- Foreign speakers.; English language -- Ability testing.
Notes: Includes bibliographical references (p. 31-32).
"RR-97-6."
"August 1997"--Cover.