scale scoring

  1. A

    Should I compute my scales by averaging scores or by summing?

    Hi everyone I am conducting a research involving a serial mediation analysis using Hayes's Process (Model 6).My scales are all Likert type except one (this one measures Borderline personality semptoms in which 1=Yes, 0=No) Should I compute my scales by average or by total score? It doesn't make...
  2. A

    How to decide on a cut-off score (groups) if the scale doesn't have one?

    For my study, I'm using a scale (rating scale from 1-7) that doesn't have a predetermined cut-off score. However, in order to do the stats, I need to make 2 groups/categories with "high score" and "low score". How do I determine the point at which a participant is considered high vs. low...