This paper addresses research implications of proposed modifications of the definition of "severe emotional disturbance" to include students with conduct disorders. Research questions focus on understanding the nature of antisocial, aggressive behavior in children and youth and identifying what services they need. Research is cited suggesting that…

The quantitative synthesis of 89 correlations from 16 studies of behavioral ratings and classroom observations suggested significant problems in the areas of the construct of behavioral disorder and criterion-related validity of widely used measures of social behavior. A "components of variance" model is proposed to aid in educational decision…