Visual analog scale (VAS)
A mood assessment occurred at the beginning of each session and it was an opportunity for the therapist to check on how the patient’s mood has been since the last session. Visual analogue scales (VAS) can be used for subjective ratings of mood, emotion, or distress. The participants simply rate the intensity of the sensation on a scale from 0 to 10. It has been found to have good psychometric properties in Iran [