Rasch measurement using SPSS

In this video, I demonstrate how use SPSS to run a basic Rasch analysis. The steps to prepare SPSS for the analysis are as follows: 1. install R 3.5 on your PC Please download it from the following link: https://cran.r-project.org/bin/window... 2. install STATS_R35 within SPSS 2. configure it [find the directory where R was installed]: C:\Program Files\R\R-3.5.0 3. install: SPSSINC_RASCH 4. Install: install.packages("ltm") install.packages("msm") install.packages("polycor")