ArticleJournal of autism and developmental disorders2026
The Aberrant Behavior Checklist in a Clinical Sample of Autistic Individuals with Intellectual Disabilities and Co-Occurring Mental Health Problems: Psychometric Properties, Factor Structure, and Longitudinal Measurement Invariance.
Article in Journal of autism and developmental disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Factor Structure and Longitudinal Measurement Invariance of the Psychopathology in Autism Checklist.Journal of autism and developmental disorders · 2026Article
- Assessment of Posttraumatic Stress Disorder in Adults With Severe or Moderate Intellectual Disability Using the Diagnostic Interview Trauma and Stressors-Severe Intellectual Disability.Journal of intellectual disability research : JIDR · 2026Article
- Validation of the Turkish version of the Developmental Behavior Checklist: a comprehensive tool for assessing emotional, behavioral, and autism spectrum disorders in children and adolescents with intellectual disabilities.Frontiers in psychiatry · 2025Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Aberrant Behavior Checklist (ABC) was originally developed to evaluate interventions, and is a well-established assessment tool for challenging behaviours in people with intellectual disabilities and autistic people. However, whether the ABC displays longitudinal measurement invariance (i.e., whether it captures the same constructs over time) has been sparsely explored. The aim of the current study is to explore the factor structure, longitudinal measurement invariance, and clinical correlates of the ABC in autistic individuals with intellectual disabilities. Using data from a multicentre study of mental health assessment and treatment in autistic people with intellectual disabilities, the intake ABC scores of 200 autistic individuals with intellectual disabilities were used to explore the ABC factor structure, internal consistency, and clinical correlates (age, gender, level of intellectual disability, autism characteristics, communication skills). Scores across three time points (intake, post-intervention, follow-up) were used to explore longitudinal measurement invariance and internal consistency over time. The original five-factor structure showed a non-optimal but acceptable fit, which was similar or slightly improved compared to previous studies. Associations for some ABC subscales were found to be positive for autism characteristics and negative for communication skills. Four of the five subscales (irritability, social withdrawal, stereotypic behaviour, inappropriate speech) showed residual levels of longitudinal measurement invariance, while one subscale showed noninvariance (hyperactivity/noncompliance). The current study demonstrates the construct validity and applicability of the ABC in autistic individuals with intellectual disabilities, while also indicating that caution is advised for one of its subscales in comparisons across time.
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