what is the difference between the pre and post measures in a regression study using spss analysis what is used to calculate difference between test pre and post values how to find the difference between a post and a pre measurement how to set the pre test in spss can spss show the difference between pre and post measures can you compare post value for test how to find difference between pre and post how to set test differences in spss how to calculate pre, post and post values for multiple test can i do multiple measure how to find difference between treatments in spomascs how to show the difference of pre and post measures in spss analysis difference between pre and post measures in a b treatment what is test post in spss what is the difference between pre and post measures in b? difference between pre and post measurements in spss why are pre and post measures different on spms how to set post value in spss how can i tell which measures of a session are different difference between post and pre measures