Some traditional methods to detect dichotomous differential item functioning (DIF) in psychometrics

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Documentation for package ‘difR’ version 1.1

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breslowDay Breslow-Day DIF statistic
contrastMatrix Contrast matrix for computing generalized Lord's chi-square DIF statistic
dichoDif Comparaison of DIF detection methods
difBD Breslow-Day DIF method
difGenLord Generalized Lord's chi-square DIF method
difGMH Generalized Mantel-Haenszel DIF method
difLogistic Logistic regression DIF method
difLord Lord's chi-square DIF method
difLRT Likelihood-Ratio Test DIF method
difMH Mantel-Haenszel DIF method
difRaju Raju's area DIF method
difStd Standardization DIF method
genLordChi2 Generalized Lord's chi-square DIF statistic
genMantelHaenszel Generalized Mantel-Haenszel DIF statistic
itemPar1PL Item parameter estimation for DIF detection using Rasch (1PL) model
itemPar2PL Item parameter estimation for DIF detection using 2PL model
itemPar3PL Item parameter estimation for DIF detection using 3PL model
itemPar3PLconst Item parameter estimation for DIF detection using constrained 3PL model
itemParEst Item parameter estimation for DIF detection
itemRescale Rescaling item parameters by equal means anchoring
Logistik Logistic regression DIF statistic
LordChi2 Lord's chi-square DIF statistic
LRT Likelihood-Ratio Test DIF statistic
mantelHaenszel Mantel-Haenszel DIF statistic
plot.BD Breslow-Day DIF method
plot.GenLord Generalized Lord's chi-square DIF method
plot.GMH Generalized Mantel-Haenszel DIF method
plot.Logistic Logistic regression DIF method
plot.Lord Lord's chi-square DIF method
plot.LRT Likelihood-Ratio Test DIF method
plot.MH Mantel-Haenszel DIF method
plot.PDIF Standardization DIF method
plot.Raj Raju's area DIF method
print.BD Breslow-Day DIF method
print.dichoDif Comparaison of DIF detection methods
print.GenLord Generalized Lord's chi-square DIF method
print.GMH Generalized Mantel-Haenszel DIF method
print.Logistic Logistic regression DIF method
print.Lord Lord's chi-square DIF method
print.LRT Likelihood-Ratio Test DIF method
print.MH Mantel-Haenszel DIF method
print.PDIF Standardization DIF method
print.Raj Raju's area DIF method
RajuZ Raju's area DIF statistic
selectDif Selection of one of the DIF detection methods
stdPDIF Standardization DIF statistic
verbal Verbal Aggression Data Set