The Youth's (Self Report) Inventory-4R (YI-4R) is a behavior rating scale for DSM-IV and DSM-5 emotional and behavioral disorders among adolescents between 12 and 18 years old who are attending middle or secondary school. The YI-4R contains 120 items and includes the symptoms of 18 disorders. Items in the YI-4R correspond to items in the Child and Adolescent Symptom Inventory-5 and the Adolescent Symptom Inventory-4R. For each multi-item disorder there is an impairment question (i.e., the degree to which symptoms interfere with the youth’s social or academic functioning). The YI-4R can be read to the youth by a qualified clinician thus serving as a structured clinical interview. The YI-4R can be scored to derive symptom count cutoff scores (diagnostic model) or symptom severity scores (T scores based on a dimensional model). Scoring is quick and easy with user-friendly score sheets. The YI-4R replaces the earlier YI-4.

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The YI-4R assesses the symptoms of the following disorders:  *AD/HD  *oppositional defiant disorder  *conduct disorder  *generalized anxiety disorder  *social anxiety disorder  *separation anxiety disorder  *major depressive disorder  *persistent depressive mood  *bipolar disorder  *schizophrenia  *schizoid personality disorder  *anorexia nervosa  *bulimia  *substance use. There are one or two key symptoms of each of the following disorders:  *specific phobia  *panic disorder  *obsessive-compulsive disorder  *adjustment disorder  *acute stress disorder  *motor tics  *vocal tics  *somatic symptom disorder.