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Two SAS macros for differential Item functioning analysis created by Shiqi Hao

By: Material type: TextTextSeries: ; Volume , number ,USA : Sage; 2013Content type:
  • text
Media type:
  • unmediated
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  • volume
Subject(s): Online resources: Summary: Differential item functioning (DIF) analysis has been widely used in large-scale assessments and/or commercial and industry produced assessments. Given the fact that DIF analysis has been a routine procedure in item analysis and test validity/fairness analysis, several pieces of DIF software and programs have appeared such as EASY-DIF (Gonzalez, Padilla, Hidalgo, Gomez-Benito, & Benitez, 2011), EZ-DIF (Waller, 1998), DIFAS (Penfield, 2005), and MH-DIF (Fidalgo, 1994). To cater for the needs of populous SAS users, two SAS macros (DIF_MC and DIF_Poly) have been developed.
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Differential item functioning (DIF) analysis has been widely used in large-scale assessments and/or commercial and industry produced assessments. Given the fact that DIF analysis has been a routine procedure in item analysis and test validity/fairness analysis, several pieces of DIF software and programs have appeared such as EASY-DIF (Gonzalez, Padilla, Hidalgo, Gomez-Benito, & Benitez, 2011), EZ-DIF (Waller, 1998), DIFAS (Penfield, 2005), and MH-DIF (Fidalgo, 1994). To cater for the needs of populous SAS users, two SAS macros (DIF_MC and DIF_Poly) have been developed.

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