This study investigated the longitudinal relationship between children’s domain-general cognitive constraints underlying phonological and sentence processing development in a big sample of typically developing children. 104 children were tested on non-linguistic processing speed, phonological skills (phonological short term memory, phonological knowledge, phonological working memory), and sentence processing abilities (sentence repetition and receptive grammar) in 1st grade (aged 6 to 6.5) and one year later. A cross-lagged structural equation model showed that non-linguistic processing speed was a concurrent predictor of phonological skills, and that phonology had a powerful effect on the child’s sentence processing abilities concurrently and longitudinally, providing clear evidence for the role of domain-general processes in the developmental pathway of language. These findings support a cascaded cognitive view of language development and pose important challenges for evaluation and intervention strategies in childhood.
The role of working memory (WM) in language acquisition has been widely reported in the developmental literature, but few studies have explored the role of sentence recall in the way WM and related linguistic abilities evolve. This study seeks to explore the organization and development of the memory architecture underlying language using a longitudinal design. A total of 104 children were assessed on verbal WM, phonological short-term memory (pSTM), vocabulary, and sentence recall skills at age 6 and 1 year later at age 7. Structural equation modeling analyses revealed a robust direct predictive effect of pSTM and vocabulary on sentence recall at Time 1 and of verbal WM on sentence recall at Time 2, supporting Baddeley’s WM architecture. Additionally, pSTM and sentence recall abilities at age 6 predicted verbal WM and vocabulary at 7 years, respectively, regardless of autoregressive effects. These results support the notion of the dynamic nature of the language system and suggest a key role of specific memory abilities underlying sentence recall in language development during childhood.
Within a bioecological model, research works over the past decades have shown the significant influence of family micro systemic variables on child development. This study is aimed to test the factorial structure of the Haezi-Etxadi Family Assessment Scale (HEFAS-6), designed to detect protective family factors for language and reading development through the assessment of family context quality. The sample of this study consisted of 127 children aged 5 to 7 and their families. The factorial structure and the internal consistency of the data were analyzed. Results of the exploratory factor analysis (principal components with varimax rotation) showed the emergence of four factors: promotion of cognitive and linguistic development, promotion of socio-emotional development, family system strain and parental profile fostering child development. This structure was confirmed by confirmatory factor analysis. The internal consistency indices showed acceptable values. In conclusion, the tool shows good potential to assess the quality of the family context in the field of the promotion of reading and linguistic skills in educational, clinical and social intervention settings and through the implementation of evidence-based parenting policies.
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