Affective Reactivity Index (ARI) Parent 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 the behavior/feelings of your child? Please try to answer all questions. NOT TRUE SOMEWHAT TRUE CERTAINLY TRUE Is easily annoyed by others Often loses his/her temper Stays angry for a long time Is angry most of the time Gets angry frequently Loses temper easily Overall, irritability causes him/her 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.