Practical, theoretical, legal, and research arguments are presented as necessitating a reformulation of psychological assessment procedures to include active parental participation. Two such diagnostic models, varying in degree of parental participation, are presented. It is suggested that a model of direct parental participation conforms to…

Argues that a better understanding of developmental processes is provided by three types of operant research -- laboratory behavioral descriptions, descriptions of naturalistic behavior-environment interdependencies, and predictive naturalistic studies. The usefulness of these processes are examined in light of the goals of life span developmental…