The Disruptive Behavior Disorders Rating Scale (DBDRS) is a 45-question screening measure, completed by either parents or teachers, designed to identify symptoms of attention deficit hyperactivity disorder, oppositional defiant disorder, and conduct disorder in children and adolescents.
For each question, the respondent is asked to indicate the degree to which a statement describes the child’s behavior. Responses options include “not at all”, “just a little”, “pretty much”, and “very much”. For any question they do not know the answer to, respondents are asked to write “DK” for “don’t know”. The behavioral rating scale takes 5–10 minutes to complete, and is designed for use with children ages 5 and up. The scores of the scale have shown good reliability and validity across multiple different study samples.