BEHAVIOR THERAPY 31,695-712,2000 Psychometric Properties and Reference Point Data for the Revised Edition of the School Observation Coding System

The psychometric properties of a new observation coding system for children's dis-ruptive classroom behavior were evaluated. The Revised Edition of the School Ob-servation Coding System (REDSOCS) was used to observe 51 young children clinic-referred for conduct-disordered b havior and 182 nonreferred children from the classrooms of the referred children. Reference point data for the REDSOCS cat-egories with preschoolers were obtained from the sample of nonreferred children. Interobserver reliability and concurrent validity of the three REDSOCS categories with teacher rating scales of oppositional behavior and hyperactivity were demon-strated. Initial evidence of convergent and discriminant validity was established through correlations of the REDSOCS categories with the subscales of the Revised Conners Teacher Rating Scale. Differences inREDSOCS scores between the nonre-ferred children and children referred for school behavior problems provided evi