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Child and Adolescent Intellectual Disability Screening Questionnaire to identify children with intellectual

Karen McKenzie1, George Murray1, Aja Murray2

  • 1Department of Psychology, Northumbria University, Newcastle upon Tyne, UK.

Developmental Medicine and Child Neurology
|August 28, 2018
PubMed

Insights

The Child and Adolescent Intellectual Disability Screening Questionnaire (CAIDS-Q) demonstrates strong psychometric properties for screening intellectual disability in children. It accurately identifies children with and without intellectual disability in neurodevelopmental settings.

Area of Science:

  • Child and Adolescent Psychology
  • Neurodevelopmental Disorders
  • Psychometric Assessment

Background:

  • Intellectual disability (ID) screening in children is crucial for timely intervention.
  • Existing screening tools require validation in diverse paediatric populations.
  • The Child and Adolescent Intellectual Disability Screening Questionnaire (CAIDS-Q) is a potential tool for this purpose.

Purpose of the Study:

  • To evaluate the psychometric properties of the CAIDS-Q.
  • To assess its reliability, validity, sensitivity, and specificity in a paediatric neurodevelopmental clinic setting.

Main Methods:

  • 181 children (aged 6-18) attending paediatric services were assessed.
  • Participants were categorized based on intellectual disability criteria.
  • Psychometric properties including test-retest reliability, interrater reliability, convergent validity, sensitivity, specificity, and predictive values were analyzed.

Main Results:

  • CAIDS-Q scores showed significant positive relationships with intellectual and adaptive functioning measures.
  • Test-retest reliability ranged from moderate to almost perfect.
  • Interrater reliability varied from fair to almost perfect.
  • Sensitivity and positive predictive value were 100%.
  • Specificity ranged from 83% to 94% by age group.
  • Negative predictive values ranged from 75% to 91%.

Conclusions:

  • The CAIDS-Q exhibits robust psychometric properties.
  • Its performance supports its utility as a screening tool for intellectual disability in paediatric neurodevelopmental settings.
  • The questionnaire accurately identifies children with and without intellectual disability.
Abstract

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