when to use tritomising variable what is the problem with splitting a variable into two groups? what is the difference between dichotomising and tritomising how can i tell the cut off point of a psychographic scale why can't you divide a psychographic scale into three groups how do you break data into groups how does the schizophrenia scale work why is it so hard to split up variables on a psychographic scale why does the schizophrenia scale split the sample? how is a group split which is considered the most normal range for most people? what does a dichotomising variable do to the group is a middle-group a tritomised variable how are groups grouped what is a tritomising variable what is the difference between a dichotomizing and a tritomising variable how do you separate a variable into two what is the definition of dichotomising? how do you cut data into groups how are two groups split