The Perth Emotional Reactivity Scale (PERS; Becerra, Preece, Campitelli, & Scott-Pillow, 2017) is a 30-item self report questionnaire designed to measure trait levels of emotional reactivity. That is, measure one’s typical:
- Ease of activation of emotions.
- Intensity of emotions.
- Duration of emotions
These aspects of emotion are assessed for negative and positive emotions.
There is also an 18-item short form, called the PERS-S.