The ARI-P is a concise scale for the dimensional assessment of irritability.
Domains Assessed: Aggression and Oppositionality, Personality Traits
Note: The ARI-P is administered to the parents of all participants.
References: Stringaris, A., Goodman, R., Ferdinando, S., Razdan, V., Muhrer, E., Leibenluft, E., & Brotman, M. (2012). The Affective Reactivity Index: A concise irritability scale for clinical and research settings. Journal of Child Psychology and Psychiatry. 53(11) pp. 1109-1117.
Time to Complete: 5-7 minutes
A complete list of assessments can be found here.