, Volume 36, Issue 4, pp 577-578
Date: 05 Apr 2006


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Dear Editor:

It was with great interest that we read a publication by Perry and Condillac (2003) regarding “Evidence-based Practices for Children and Adolescents with Autism Spectrum Disorders”, specifically the section that refers to the potential uses of screening instruments such as the Pervasive Developmental Disorders Screening Test [PDDST](Siegel, 1996). We thought that it might be instructive to share some of our experiences derived from the use of the PDDST (now titled the PDDST-II and available through Harcourt Assessment, Inc.) as an intake-screening tool at our developmental service.

About 3 years ago, our service made the PDDST-II part of our standard package of intake materials in an effort to provide better discrimination of clients in need of an ASD psychosocial assessment. However, 24 months later, we became concerned that this instrument might be producing a significant number of false positives. We did not perform a systematic retrospective analysis of our files to dete ...