This procedure estimates the parameters of the Rasch model for item response data, using the rasch function from the R ltm package.
- IBM SPSS Statistics 18 or later and the corresponding IBM SPSS Statistics-Integration Plug-in for R.
Note: See also the STATS EXRASCH extension.
- Open IBM SPSS Statistics
- Navigate to Utilities -> Extension Bundles -> Download and Install Extension Bundles
- Search for the name of the extension and click Ok. Your extension will be available.
Analyze →
Scale →
Rasch Model...
Example
SPSSINC RASCH
/VARIABLES ITEMS=item1 item2 item3 item4 item5
/PRINT SUMMARY ITEMFIT
/PLOT DESCRIPTIVES FACTORSCORES ICC IIC
/SAVE PERSONFITDATASET=personfit.
- Apache 2.0
- IBM SPSS







