The Attention and Executive Function Rating Inventory (ATTEX): Psychometric properties and clinical utility in diagnosing ADHD subtypes.

This study presents a new inventory, the Attention and Executive Function Rating Inventory (ATTEX), and examines the psychometric properties and the clinical utility of ATTEX in identifying the attention deficit hyperactivity disorder combined type (ADHD-C) and the ADHD predominantly inattentive type (ADHD-I) in school environments. A normative sample of Finnish 7- to 15-year-old children and adolescents (N = 701) and a clinical sample consisting of children with ADHD-C (N = 190) and ADHD-I (N = 25) were examined with the ATTEX and the ADHD Rating Scale-IV. The ATTEX and its scales had good internal consistency reliability (0.