Early receptive and expressive lexicons and language and pre-literacy skills at 5;0 years : a longitudinal study
Vehkavuori, Suvi-Maria; Kämäräinen, Maiju; Stolt, Suvi (2021-03-03)
Vehkavuori, S.-M., Kämäräinen, M., & Stolt, S. (2021). Early receptive and expressive lexicons and language and pre-literacy skills at 5;0 years – A longitudinal study. Early Human Development, 156, 105345. https://doi.org/10.1016/j.earlhumdev.2021.105345
© 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http:/creativecommons.org/licenses/by-nc-nd/4.0/
https://creativecommons.org/licenses/by-nc-nd/4.0/
https://urn.fi/URN:NBN:fi-fe202103096881
Tiivistelmä
Abstract
Background/Objectives:The long-term associations between early receptive/expressive lexical skills and later language/pre-literacy skills require clarification.
Aims:To study the association between and predictive values of early receptive/expressive lexical skills and language/pre-literacy skills at 5;0 years, and to examine the language profiles at 5;0 years of children with weak receptive language/expressive lexical skills at 2;0 years.
Participants and methods:The participants were 66 monolingual children. Their lexical skills were measured using the Finnish short-form version of the MacArthur–Bates Communicative Development Inventories at 1;6 and 2;0 years. Receptive language skills were measured at 2;0 years using the Reynell Developmental Language Scales III. A broader assessment at 5;0 years measured lexical, phonological, morphological and pre-literacy skills.
Results:Significant associations between receptive/expressive lexical skills at 1;6 years and language and pre-literacy skills at 5;0 years were found. Both receptive language and expressive lexical development measured at 2;0 years were greatly and relatively evenly associated with language and pre-literacy skills at 5;0 years. Lexicon/language variables at 1;6 years and 2;0 years had statistically significant predictive values for general language and pre-literacy scores at 5;0 years. The best models that included early lexical predictors explained 20–34% of later language/literacy outcome. Weak skills at 2;0 years proposed vulnerability in language and pre-literacy skills at 5;0 years.
Conclusions:Language and pre-literacy skills at 5;0 years can to some extent be explained by early receptive language and/or expressive lexical development. Further assessment and/or follow-up is important for children who have had weak language/lexical skills at 2;0 years.
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