Comparison of item preequating and random groups equating using IRT and equipercentile methods
By: Michael J. Kolen, Deborah J. Harris
Contributors: Harris, Deborah J
Series: ACT research report -- 88-2; ACT research report -- 88-2
Publisher: American College Testing Program
Published: 1988
Place of publication: Iowa City
Language: eng
Number of pages: 19
Subjects: ACT Assessment -- Validity; Paired comparisons (Statistics)
Notes: Bibliography: p. 12