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1 results

  • What categorical induction variability reveals about typical and atypical development

  • Lisa TECOULESCO, Deborah FEIN, Letitia R. NAIGLES
  • Journal:
    Journal of Child Language / Volume 48 / Issue 3 / May 2021
    Published online by Cambridge University Press:
    17 November 2020, pp. 515-540

  • Categorical induction abilities are robust in typically developing (TD) preschoolers, while children with Autism Spectrum Disorders (ASD) frequently perform inconsistently on tasks asking for the transference of traits from a known category member to a new example based on shared category membership. Here, TD five-year-olds and six-year-olds with ASD participated in a categorical induction task; the TD children performed significantly better and more consistently than the children with ASD. Concurrent verbal and nonverbal tests were not significant correlates; however, the TD children's shape bias performance at two years of age was significantly positively predictive of categorical induction performance at age five. The shape bias, the tendency to extend a novel label to other objects of the same shape during word learning, appears linked with categorical induction ability in TD children, suggesting a common underlying skill and consistent developmental trajectory. Word learning and categorical induction appear uncoupled in children with ASD.