Effects of Multidimensionality on IRT Item Characteristics and True Score Estimates : Implications for Computerized Test Assembly. Computerized Testing Report. LSAC Research Report Series / Xiang-Bo Wang, Vincent Harris and Louis Roussos.

Multidimensionality is known to affect the accuracy of item parameter and ability estimations, which subsequently influences the computation of item characteristic curves (ICCs) and true scores. By judiciously combining sections of a Law School Admission Test (LSAT), 11 sections of varying degrees o...

Full description

Bibliographic Details
Main Authors:	Wang, Xiang Bo Harris, Vincent (Author) Roussos, Louis (Author)
Corporate Author:	Law School Admission Council, Newtown, PA
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 2002.
Subjects:	Ability. College Entrance Examinations. Computer Assisted Testing. Estimation (Mathematics) Item Response Theory. Law Schools. Test Construction. Test Items. True Scores. Law School Admission Test > Multidimensionality (Tests) Item Characteristic Function Numerical/Quantitative Data. Reports, Research.
Genre:	Numerical/Quantitative Data. Reports, Research.
Physical Description:	23 pages
Format:	Microfilm Book

System Under Maintenance

Our Library Management System is currently under maintenance.

Holdings and item availability information is currently unavailable. Please accept our apologies for any inconvenience this may cause and contact us for further assistance:

Please contact Reference and Discovery Services via their Contact Form or call them directly at: 517-353-8700 for assistance.