This article introduces this special issue on functional assessment methods and their application to children and youth with autism. It traces the 30-year history of functional assessment and briefly summarizes each of the following articles, noting the common emphasis on social validity and using the science and technology of functional…

This rejoinder reiterates the author's position that the self-fulfilling prophesy phenomenon can not be proved. Unsuccessful efforts to replicate the "Pygmalion" study are presented. Because replication is essential to proofs in behavioral science research, the phenomenon can not be considered valid to behavioral scientists. (VM)

Examines some of the factors that determine whether and how psychological research will affect public policies regarding children. Stresses the importance of the political climate in influencing research utilization and says that researchers must know when to introduce their findings into the policy making process. (Author/MJL)

Thoughtful use of past research experience to guide future study and action was the basis for a conference at Reston, Virginia in November 1975 to propose priorities for new research on television and children. The conference had two objectives: (1) to assemble as broad a range of people as possible to think through the many directions future…