Notes that longitudinal data can play an important role in child psychopathology and treatment. Introduces review of some of the research questions that longitudinal designs can answer and how longitudinal studies have been used in evaluating traditional syndromes in child clinical psychology. (Author/NB)

Presents the ICD 9 and the DSM III classification systems used in child psychiatry. Discusses the need for classification/diagnosis, the general features of the two systems, and their relevance for children and adolescents. Includes a short critique of classification systems. (AS)

In studies of the usefulness of psychotherapy with children and adolescents, clinical therapy has markedly poorer outcomes than laboratory studies. Proposals to bridge the gap include enriching the data base on treatment effects by clinical practitioners, identifying the features of research therapy that account for positive outcomes, and…

Uses work with anxiety-disordered youth as an example of potentially transportable manual-based treatment. Examines client factors, service-clinic therapist factors, and researcher factors that may contribute to the reported gap between research and practice outcomes. (JPS)