This study tested the predictive validity of the Communication Composite of the Communication and Symbolic Behavior Scales with 58 children (ages 17 to 34 months) functioning at the prelinguistic stage of language development. Evaluation of expressive vocabulary 1 year later found that the Communication Composite and all tested clusters were…

Describes the Communication and Symbolic Behavior Scales, a standardized assessment for infants, toddlers and preschool children. It is designed to identify children at risk of developing a communication impairment and to establish a profile of functioning in the areas of communicative, social-affective, and symbolic abilities. (CR)