Assesses impairment of executive function in children and adolescents ages years. Shorter: Administration time is just 10 minutes for the core form and 5 minutes for the screening form. . BRIEF2 Review 2 second-order Global Executive Composite (GEC) score. The self-report form yields all of the same index and composite scores as the parent and teacher forms with a . Jul 26,  · The Behavior Rating Inventory of Executive Functioning-2 (BRIEF2) provides an updated version of one of the most widely