which spss model to use to calculate correlation what is spss group items can you group items to find correlations spss how to do correlation analysis how to estimate correlations in spss how to estimate correlations in spss how to determine if items are related in a construct how to estimate correlation in spss how to group variables analyzing how many items in a construct are used to calculate correlations how to test correlations in spss how to do correlations in spss do you need to group items on likert scale how to estimate correlations with constructs spss how to group items what is the correct way to group items to perform correlation what kind of scale is likert and how do i calculate correlations what is the best method to use in testing what is the best method to use to calculate correlation in spss how to compare mobile usage in spss