A cross-sectional analysis of developmental trajectories of vocabulary comprehension among children and adolescents with Down syndrome or intellectual disability of undifferentiated aetiology
Facon, Bruno; Courbois, Yannick; Magis, David
2016 • In Journal of Intellectual and Developmental Disability, 41, p. 140-149
[en] Background: This work seeks to expand our knowledge of developmental trajectories of
subcomponents of the language systems of individuals with intellectual disability (ID). It aims to
explore how general and relational vocabularies evolve as a function of cognitive level.
Method: Developmental trajectories of general and relational vocabulary comprehension were
compared among typically developing children (TYP) and children and adolescents with ID of
undifferentiated aetiology (UND) or Down syndrome (DS).
Results: Comparisons between TYP and UND participants showed no interaction between
cognitive level and diagnostic status for general vocabulary, and only a very weak interaction for relational vocabulary. Comparisons between TYP and DS participants failed to reveal groupspecific trajectories. Performance in general vocabulary was higher than in relational vocabulary for both UND and DS participants.
Conclusion: The developmental trajectories of vocabulary appear to be globally comparable for
participants with or without ID.
Disciplines :
Education & instruction
Author, co-author :
Facon, Bruno
Courbois, Yannick
Magis, David ; Université de Liège > Département Education et formation > Psychométrie et édumétrie
Language :
English
Title :
A cross-sectional analysis of developmental trajectories of vocabulary comprehension among children and adolescents with Down syndrome or intellectual disability of undifferentiated aetiology
Publication date :
2016
Journal title :
Journal of Intellectual and Developmental Disability
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