Assessing the Dimensionality of Simulated LSAT Item Response Matrices with Small Sample Sizes and Short Test Lengths. Law School Admission Council Computerized Testing Report. LSAC Research Report Series [electronic resource] / Andre F. De Champlain.

The purpose of this study was to examine empirical Type I error rates and rejection rates for three dimensionality assessment procedures with data sets simulated to reflect short tests and small samples. The TESTFACT G superscript 2 difference test suffered from an inflated Type I error rate with un...

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Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Author:	De Champlain, Andre F.
Corporate Author:	Law School Admission Council
Format:	Electronic eBook
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 1999.
Subjects:	Admission (School) College Entrance Examinations. Item Response Theory. Law Schools. Matrices. Sample Size. Simulation. Test Length.