Effects of item difficulty heterogeneity on the estimation of true-score and classification consistency

Effects of item difficulty heterogeneity on the estimation of true-score and classification consistency /

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Bibliographic Details
Main Author: Spray, Judith A.
Corporate Author: American College Testing Program
Other Authors: Welch, Catherine J.
Format: Book
Language:English
Published: Iowa City, Iowa : American College Testing Program, ©1988.
Series:ACT research report series 87-11.
Subjects:
Educational tests and measurements > Validity > Mathematical models.
ACT Assessment > Validity > Mathematical models.
ACT Assessment > Validity.
Description
Item Description:"September 1987."
Physical Description:19 pages ; 28 cm.
Bibliography:Includes bibliographical references (page 14).

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