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The diagnostic adaptive behavior scale: evaluating its diagnostic sensitivity and specificity.

Giulia Balboni1, Marc J Tassé2, Robert L Schalock3

  • 1University of Pisa, Via Roma, 67, 56126, Pisa, Italy.

Research in Developmental Disabilities
|August 9, 2014
PubMed
Summary
This summary is machine-generated.

The Diagnostic Adaptive Behavior Scale (DABS) effectively identifies intellectual disability (ID) with high accuracy. This validated tool demonstrates strong diagnostic efficiency for conceptual, social, and practical adaptive skills in individuals aged 4-21.

Keywords:
Adaptive behaviorIntellectual disabilitySensitivitySpecificity

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Area of Science:

  • Psychometrics
  • Developmental Psychology
  • Clinical Psychology

Background:

  • Accurate assessment of adaptive behavior is crucial for diagnosing Intellectual Disability (ID).
  • Existing tools may not optimally differentiate individuals with and without ID.
  • The Diagnostic Adaptive Behavior Scale (DABS) was developed to address this need.

Purpose of the Study:

  • To evaluate the diagnostic efficiency of the DABS.
  • To determine the sensitivity and specificity of the DABS in identifying individuals with and without ID.

Main Methods:

  • The study involved 125 individuals with an ID-related diagnosis and 933 without.
  • The DABS assesses conceptual, social, and practical adaptive skills.
  • Receiver Operating Characteristic (ROC) curve analysis was used to assess diagnostic performance.

Main Results:

  • DABS sensitivity coefficients ranged from 81% to 98%.
  • DABS specificity coefficients ranged from 89% to 91%.
  • Area Under the ROC Curve values were rated as excellent or good.

Conclusions:

  • The DABS demonstrates very good diagnostic efficiency.
  • The scale is effective in identifying individuals with and without Intellectual Disability.
  • The DABS is a valuable tool for the assessment of adaptive behavior in the diagnostic process for ID.