ArticleJournal of child psychology and psychiatry, and allied disciplines2026
Relative strengths in daily living skills among autistic individuals and individuals with related developmental conditions who have co-occurring intellectual disability.
Article in Journal of child psychology and psychiatry, and allied disciplines, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Limited Discrepancy Between Cognitive Ability and Daily Living Skills in Autism: A Longitudinal Study From Ages 2-25.Autism research : official journal of the International Society for Autism Research · 2026Article
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3 authors.
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Abstract
backgroundStrong daily living skills (DLS) are associated with positive outcomes. Prior studies have documented intellectual quotient (IQ)-DLS discrepancies in autistic individuals with average or higher cognitive abilities. Little work in this area includes individuals with co-occurring intellectual disability (ID) or examines IQ-DLS discrepancies at the level of DLS subdomains (i.e., Personal, Domestic, and Community skills). This study examined trajectories of IQ-DLS discrepancies from ages 2-25 in autistic individuals with ID.
methodsA total of 127 individuals from a well-characterized longitudinal cohort with verbal IQ < 70 at age 9 were included. IQ-DLS discrepancy scores were calculated by subtracting DLS AEs from nonverbal mental age (NVMA) estimates. Group-based trajectory modeling identified IQ-DLS discrepancy trajectory groups for the DLS domain and Personal, Domestic, and Community subdomains. One-way ANOVA and chi-square analyses were used to compare trajectory groups on demographic and phenotypic characteristics.
resultsTwo DLS domain discrepancy trajectory groups emerged: IQ > DLS (cognitive abilities exceeded DLS) and IQ < DLS (DLS exceeded cognitive abilities); most participants (78%) were in the IQ > DLS group. An additional group, IQ = DLS (cognitive abilities and DLS were commensurate), emerged in each of the DLS subdomains, for a total of three trajectory groups. Within DLS subdomains, approximately 80% of participants were in either the IQ = DLS or the IQ < DLS trajectory group. In other words, examining scores at the DLS domain-level indicated most participants had cognitive abilities that exceeded DLS, but subdomain scores indicated most participants had DLS that equaled or exceeded cognitive abilities.
conclusionsThese results challenge the notion that autism is usually associated with weaknesses in DLS compared to IQ. At the subdomain level, 80% of participants had DLS commensurate with or stronger than their cognitive abilities, indicating domain-level scores may obscure important variability in daily functioning. This work highlights the importance of including autistic individuals with ID in research; patterns observed in samples without ID may not be generalizable.
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