@book{65469b4a810a44e582941d773a9cfbe3,
title = "Adaptive testing with equated number-correct scoring",
abstract = "A constrained CAT algorithm is presented that automatically equates the number-correct scores on adaptive tests. The algorithm can be used to equate number-correct scores across different administrations of the same adaptive test as well as to an external reference test. The constraints are derived from a set of conditions on item response functions that guarantees the observed number-correct score distributions on two test forms to be identical (van der Linden & Luecht, 1998). An item pool from the Law School Admission Test is used to compare the results of the algorithm with those for traditional observed-score equating of ability estimates to number-correct scores as well as the transformation to predicted number-correct scores through the test characteristic function. The effects of the constraints on the statistical properties of the ability estimator are examined.",
keywords = "Observed-ScoreEquating, Optimal Test Assembly, 0-1 Linear Programming, METIS-136409, Item Response Theory, IR-103567, Computerized Adaptive Testing",
author = "{van der Linden}, {Willem J.}",
year = "1999",
language = "English",
series = "OMD research report",
publisher = "University of Twente, Faculty Educational Science and Technology",
number = "99-02",
}