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Ira L. Cohen, PhD, will explain how best to administer, score, and interpret the PDD Behavior Inventory (PDDBI), a reliable and valid informant-based assessment tool for children with autism spectrum disorder (ASD).
This session will provide insight into characterizing and interpreting the PDDBI’s structure, as well as administration, scoring, selection of informants, how to handle missing data, and scoring procedures for nonverbal children. Time will be devoted to interpreting and understanding T scores, confidence intervals, cluster scores, and percentiles, in addition to understanding which domains and scores to examine when monitoring intervention outcomes over time. Finally, Dr. Cohen will address how to interpret the statistical significance of differences between parent and teacher informants and will review case examples.

Learning Objectives:
By the end of this session, participants will be able to:

• Administer the PDDBI, including selecting informants and choosing which domains to monitor for diagnostic and/or intervention purposes.
• Explain how to score the PDDBI, including proper scoring of missing items and appropriate scoring of nonverbal cases.
• Interpret both raw and T scores and be able to use this information for purposes of diagnosis, monitoring change over time, and the possible need for additional assessments and/or referrals to other professionals.

Qualification Level Required: S

Instructional Level: Intermediate

Target Audience: Clinical psychologists, educational diagnosticians, psychologists, school psychologists, neuropsychologists, behavior analysts

*Participants wishing to receive continuing education (CE) credit must attend the entire webinar and complete the postwebinar evaluation form. Once participants have completed the evaluation, your letter of attendance will be available for immediate download from your account. PAR is approved by the National Association of School Psychologists (NASP) to provide continuing education for psychologists. PAR maintains responsibility for the program and its content. PAR’s NASP APS Provider Number is 1051. PAR is approved by the American Psychological Association (APA) to sponsor continuing education for psychologists. PAR maintains responsibility for this program and its content.

Disclosure: Disclosure: Dr. Cohen is a coauthor of the PDD Behavior Inventory family of products and receives royalties from the sale of these products. PAR is a publisher of assessments, which may be discussed during the presentation.