(PDDBI) PDD Behavior Inventory

By Ira L. Cohen, PhD, and Vicki Sudhalter, PhD

Benefits

Assesses responsiveness to intervention in children with ASD

Ages

1 year, 6 months to 12 years, 5 months standard; up to 18 years, 5 months with addition of adolescent normative data

Admin Time

20 to 30 minutes for standard forms; 30 to 45 minutes for extended forms

Format

Teacher and Parent Rating Forms, standard (124 items) and extended (180 to 188 items) forms

Scores

Age-standardized scores in two broad categories—Approach/Withdrawal Problems and Receptive/Expressive Social Communication—and five composite scores

Norms

Based on a sample of 369 parents and 277 teachers of children with well-defined autism from a range of racial, ethnic, and socioeconomic backgrounds and geographic regions

Publish Date

1999

Qualifications

Level B required.
About Qualification Levels

Have a Question?

Call 800.648.8857

Kits

PDDBI Kit

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Product #: PB-59

PDDBI Kit

Includes 25 Parent Rating Forms; 25 Teacher Rating Forms; 25 Parent Score Summary Sheets; 25 Teacher Score Summary Sheets; 50 Profile Forms; Manual

$375.00

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PDDBI Kit with Unlimited-Use Scoring CD

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Product #: PB-59S

PDDBI Kit with Unlimited-Use Scoring CD

Includes 25 Parent Rating Forms; 25 Teacher Rating Forms; 25 Parent Score Summary Sheets; 25 Teacher Score Summary Sheets; 50 Profile Forms; Manual; Scoring CD

$699.00

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Forms

PDDBI Parent Rating Form (Pack of 25)

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Product #: PB-59A

PDDBI Parent Rating Form (Pack of 25)

$90.00

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PDDBI Teacher Rating Form (Pack of 25)

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Product #: PB-59B

PDDBI Teacher Rating Form (Pack of 25)

$90.00

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PDDBI Parent Score Summary Sheets (Pad of 25)

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Product #: PB-59C

PDDBI Parent Score Summary Sheets (Pad of 25)

$26.00

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PDDBI ASD-DT Record Forms (pkg/25)

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Product #: PB-59I

PDDBI ASD-DT Record Forms (pkg/25)

$27.00

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PDDBI Teacher Score Summary Sheets (Pad of 25)

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Product #: PB-59D

PDDBI Teacher Score Summary Sheets (Pad of 25)

$26.00

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PDDBI Profile Forms--Parent Or Teacher (Pack of 50)

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Product #: PB-59E

PDDBI Profile Forms--Parent Or Teacher (Pack of 50)

$39.00

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Software

PDDBI Unlimited-Use Scoring CD

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Product #: PB-59U

PDDBI Unlimited-Use Scoring CD

Includes On-Screen Help and Quick Start Guide. PC with Windows 10, 8, 7, Vista, or XP. Internet connection or telephone for activation, CD-ROM drive. Free U.S. shipping.

$324.00

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Manuals & Resources

PDDBI Manual

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Product #: PB-59F

PDDBI Manual

$106.00

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PDDBI Professional Manual Supplement: Autism Spectrum Disorder Decision Tree (ASD-DT)

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Product #: PB-59G

PDDBI Professional Manual Supplement: Autism Spectrum Disorder Decision Tree (ASD-DT)

$27.00

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PDDBI Professional Manual Supplement: Adolesent Normative Data

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Product #: PB-59H

PDDBI Professional Manual Supplement: Adolesent Normative Data

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(PDDBI) PDD Behavior Inventory

(PDDBI) PDD Behavior Inventory

This informant-based rating scale is designed to assist in the assessment of children who have been diagnosed with autism spectrum disorder (ASD). Unlike existing assessments for ASD, the PDDBI was developed to assess both problem behaviors and appropriate social, language, and learning/memory skills. The test also provides age-standardized scores for parent and teacher ratings. 

Test structure  

  • The standard set of items is appropriate if the primary concerns are specifically related to autism (e.g., whether treatment is specifically affecting targeted behaviors). 
  • The extended set of items—available on both Parent and Teacher Rating Forms—is appropriate when you want to assess aspects of the child’s behaviors beyond those specifically associated with autism (e.g., fear and aggression); these may be relevant in the determination of placement and treatment recommendations. 

Technical information 

  • Test–retest stability for the teacher ratings ranged from .65 to .99 over an average two-week interval. For the parent sample, test–retest stability ratings ranged from .38 to .91 over a 12-month interval. 
  • Concurrent validity was assessed through comparison with the Childhood Autism Rating Scale, the Nisonger Child Behavior Scales, the Vineland Adaptive Behavior Scales, and the Griffiths Mental Development Scales. 
  • Clinical validity was assessed through comparison with the ADI-R, the ADOS-G, and the Vineland Adaptive Behavior Scales.

PDDBI Professional Manual Supplement: Autism Spectrum Disorder Decision Tree (ASD-DT)

The ASD-DT is designed to enhance the diagnostic power of the PDDBI. Once a parent or teacher has completed the Extended Form, the ASD-DT allows you to use those scores to complete the branches of a decision tree that ultimately results in a diagnostic category. An algorithm is used to transform PDDBI scores into subgroups of ASD (Atypical ASD, Minimally Verbal ASD, or Verbal ASD) as well as non-ASD subgroups. Intervention suggestions and further recommendations are provided for all subgroups. The ASD-DT is designed to be used with individuals ages 1 year, 6 months to 12 years, 5 months. 

 

PDDBI Professional Manual Supplement: Adolescent Normative Data

This new supplement extends the age range of the PDDBI normative data to age 18 years, 5 months. Ideal for use when monitoring progress over time, this extension to the normative data can be used with both parent and teacher ratings on the PDDBI. The standardization sample includes individuals from a range of racial and ethnic backgrounds and geographic regions. The adolescent normative data are appropriate for use when either the standard or extended items are administered. 

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