Grant Closed

Improving the DIF Detection Procedures for NAEP Data Analysis

NCES

Program: NAEP Secondary Analysis Grant

Award amount: $77,943

Principal investigator: Hua-Hua Chang

Awardee:

University of Texas, Austin

Year: 2002

Award period: 1 year 6 months (06/15/2002 - 12/15/2003)

Project type:

Other

Award number: R902B020024

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.

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Improving the DIF Detection Procedures for NAEP Data Analysis

Purpose

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