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Skill-experience transactions across development: Bidirectional relations between child core language and the child's home learning environment.

ABSTRACT: The transaction of children's core language skill and their home learning environment was assessed across 5 waves from infancy (15 months) up to adolescence (11 years) in 1,751 low-socioeconomic status families. Child core language skill and the quality of the home learning environment were each stable across waves, and the two covaried at each wave. Over and above these stabilities and concurrent correlations, and net child social competence and maternal education, higher quality stimulation and support in the home learning environment at each wave advanced children's core language skill at each subsequent wave, and reciprocally children with more advanced core language skill at each wave stimulated a higher quality home learning environment at each subsequent wave. These transactions were robust across child gender, ethnicity, birth order, and developmental risk. This bidirectionality shows that children consistently affect their environments from infancy to adolescence and underscores that the home learning environment is a worthy intervention target for improving core language skill in children regardless of age. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

SUBMITTER: Bornstein MH

PROVIDER: S-EPMC7530049 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:In this study, we examined differential effects of facets of the home language and literacy environment that are known to be relevant to either language development (i.e., quantity and quality of language and literacy stimulation at home) or theory of mind (ToM) development (i.e., parental mental state language), on both children's language skills and their ToM understanding. Moreover, we investigated whether these relations are particularly relevant for children from homes with low socioeconomic status (SES) and whether they account for SES-related disparities in child language skills and ToM understanding. Using longitudinal data of a sample of 224 monolingual German preschool children (assessment of language skills at age 4;6 and 5;6 and ToM at age 5;6), we analyzed the effects of three facets of the home language and literacy environment on later child language and ToM understanding. These facets were book exposure as a measure for quantity of language and literacy stimulation at home, quality of verbal interaction, and parental mental state language assessed between ages 3 and 4. Path analyses showed that book exposure is related to both later ToM understanding and language skills at age 5;6 years; yet, this effect is mediated by earlier language skills at age 4;6 years. Furthermore, book exposure partly mediated the association between SES and language skills and, via earlier language skills at age 4;6, also the relation between SES and ToM. When focusing on children from lower SES families, book exposure and quality of verbal stimulation predicted children's later language skills at age 4;6. Book exposure also predicted change in language skills between age 4;6 and age 5;6. Further, book exposure proved to be significantly associated with children's ToM understanding at age 5;6 via the relation with language skills at 4;6 years. In addition, parental mental state language predicted children's ToM understanding at age 5;6 years. Our findings provide new evidence on how different facets of the home language and literacy environment are related to ToM and language development and their interrelation as well as their SES-related disparities.

Project description:BackgroundA rich language environment is an important element of a nurturing home environment. Despite their proven importance, vocabulary and conversation have been shown to vary widely across households-even within the same socio-economic class. One significant gap in the existing literature is its nearly exclusive geographic focus on Western and developed settings, with little attention given to poorer communities in lower/middle income countries. The purpose of this study was to empirically illustrate the characteristics of the home language environment in the low SES, non-Western cultural setting of rural China.MethodsUsing Language Environment Analysis (LENA) automated language-analysis system, this study measured the home language environment of 38 children aged 20-27 months in Northwest rural China. Our primary measures of the home language environment were Adult Word Count (AWC), Conversational Turn Count (CTC) and Child Vocalization Count (CVC). Multivariate linear regression models were used to examine the association between home language environment and family/child characteristics, and language skills (Measured by MacArthur-Bates Communicative Developmental Inventory score).ResultsIn this paper, by comparison, we found that the home language environment of our rural sample fell far behind that of urban households. We also identify significant, positive correlations between language skills and both AWC and CTC. Our analysis finds no significant correlations between home language environment and family/child characteristics.ConclusionIn this paper, we present the first ever findings using the LENA system to measure the home language environment of young children from poor rural communities in China. We found that the home language environment of lower-SES household was significantly worse than high-SES households, and demonstrated the importance of the home language environment to language skills, pointing to a need for more high-quality studies of the home language environment in rural China to better understand possible mechanisms behind low levels of parent-child language engagement and ways to improve the home language environment.

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Skill-experience transactions across development: Bidirectional relations between child core language and the child's home learning environment.

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