I am currently working on suicide ideation among youth. I just need help with regard to Psychache scale. My question is how does the psychache scale differentiate between suicide attempters and non-attemptors?
Article Differences Between Suicide Attempters and Nonattempters in ...
You can do like this: compute two different linear regression analysis one with the hopelessness questions as IV and the other with the major depression questions as IV with suicidal attempts as DV. Then you can compare the squared part correlations, which indicates the % of the variance of suicidal attempts (DV) which is explained by hopelessness and major depression, respectively. If you want to read our paper on the topic you find it here.