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IES Grant

Title: Improving the DIF Detection Procedures for NAEP Data Analysis
Center: NCES Year: 2002
Principal Investigator: Chang, Hua-Hua Awardee: University of Texas, Austin
Program: NAEP Secondary Analysis Grants      [Program Details]
Description: Purpose: This project will develop and test a new approach to the analysis of differential item functioning (DIF) in NAEP. The new approach will improve the method of matching examinees to pooled booklet scores and reduce the noise in local DIF detection while keeping measurement error in global DIF testing low.