A discriminant analysis of characteristics of students with behavioral disorders in three progressively more intensive placements indicated that age at time of diagnosis was the strongest discriminating variable contributing to placement outcomes. Younger, brighter students tended to be mainstreamed, and older students with more externalizing…

Resource and special class teachers of learning disabled (LD) and behaviorally disordered elementary and secondary students rated behaviorally disordered Ss as exhibiting more of five patterns of deviant behavior than LD Ss. Secondary Ss exhibited more rule breaking than elementary Ss; and special class Ss, more anxious, fearful behavior than…