Journal of Autism and Developmental Disorders

, Volume 40, Issue 2, pp 246–254 | Cite as

Parent PDD Behavior Inventory Profiles of Young Children Classified According to Autism Diagnostic Observation Schedule-Generic and Autism Diagnostic Interview-Revised Criteria

  • Ira L. Cohen
  • Tina Rovito Gomez
  • Maripaz G. Gonzalez
  • Elizabeth M. Lennon
  • Bernard Z. Karmel
  • Judith M. Gardner
Original Paper


Quantitative variations in score profiles from the parent version of the PDD Behavior Inventory (PDDBI) were examined in young Autism and PDD-NOS groups defined by ADOS-G and ADI-R criteria, relative to a not spectrum (NS) group of similar age. Both the Autism and the PDD-NOS group profiles markedly differed from the NS group. The most sensitive measures of group differences were those domain and composite scores that assessed social communication competence, as well as the overall Autism Composite score. Sensitivity, specificity and positive and negative predictability measures were quite good for these measures. It was concluded that the PDDBI is useful in assisting in the differential diagnosis of autism spectrum disorder.


Autism Assessment Diagnosis Rating scales 



The authors are grateful to the many parents and teachers who participated in this project. We also wish to thank Michael Flory for his statistical advice and acumen, and to the following colleagues who helped with the initial review of the PDDBI: Mary Coleman, Allan Reiss, Raymond Romanczyk, Susan Schmidt-Lackner, and Wayne Silverman. This research was supported by funds from the New York State Office of Mental Retardation and Developmental Disabilities, the NYS Special Legislative Grant for Autism Research, and by grant #PO1-HD047281-04 to Judith M. Gardner. The PDDBI generates a royalty, 50% of which is used to support research at the Institute with the other 50% distributed to the authors of the PDDBI.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Ira L. Cohen
    • 1
  • Tina Rovito Gomez
    • 1
  • Maripaz G. Gonzalez
    • 1
  • Elizabeth M. Lennon
    • 2
  • Bernard Z. Karmel
    • 2
  • Judith M. Gardner
    • 2
  1. 1.Department of PsychologyNew York State Institute for Basic Research in Developmental DisabilitiesStaten IslandUSA
  2. 2.Department of Infant DevelopmentNew York State Institute for Basic Research in Developmental DisabilitiesStaten IslandUSA

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