DIFWITHPAR: Stata module for detection of and adjustment for differential item functioning (DIF)

Laura Gibbons ()
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Laura Gibbons: General Internal Medicine, University of Washington

Statistical Software Components from Boston College Department of Economics

Abstract: Identifies differential item functioning, creates dummy/virtual items to be used to adjust ability (trait) estimates in PARSCALE, writes the code and data file needed to process the updated item list in PARSCALE, runs PARSCALE, and merges the ability estimates and standard errors into the original data set.

Language: Stata
Requires: Stata version 8.2, PARSCALE and brant from Spost9
Keywords: differential item functioning; DIF (search for similar items in EconPapers)
Date: 2006-04-15, Revised 2015-05-13
Note: This module should be installed from within Stata by typing "ssc install difwithpar". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/d/difwithpar.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/d/difwithpar.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/m/mergevirtual.ado sample file (text/plain)
http://fmwww.bc.edu/repec/bocode/m/mergevirtual.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/d/DIF_PARSCALE.pdf documentation (application/pdf)

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Persistent link: https://EconPapers.repec.org/RePEc:boc:bocode:s456722

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