Affective Reactivity Index (ARI) Self Survey Name of participant: Age: For each item, please mark the box for Not True, Somewhat True or Certainly True. In the last six months and compared to others of the same age, how well does each of the following statements describe your behavior/feelings? Please try to answer all questions. NOT TRUE SOMEWHAT TRUE CERTAINLY TRUE I am easily annoyed by others I often lose my ttemper I stay angry for a long time I am angry most of the time I get angry frequently I lose my temper easily Overall, my irritability causes me problems THANK YOU VERY MUCH FOR YOUR HELP. © 2012 Stringaris A (King's College London), Goodman R (King's College London), Ferdinando S (King's College London), Razdan V (National Institutes of Health), Muhrer E (National Institutes of Health), Leibenluft E (National Institutes of Health), Brotman MA (National Institutes of Health). This material can be reproduced without permission by clinicians for use with their own patients. Any other use, including electronic use, requires the prior written permission of the Authors.