CTTITEM: SAS macro and SPSS syntax for classical item analysis
CTTITEM: SAS macro and SPSS syntax for classical item analysis
Pui‐wa Lei,Qiong Wu
2007 · DOI: 10.3758/BF03193021
Behavior Research Methods · 16 Citations
TLDR
This article describes the functions of a SAS macro and an SPSS syntax that produce common statistics for conventional item analysis including Cronbach’s alpha, item difficulty index, and item discrimination indices.