The diagnostic characteristics of autism spectrum disorder (ASD) includes challenges in social communication skills. Among different components of social communication, language, particularly vocabulary, must be supported early in children's development as language is shown to be associated with academic, social, cognitive, and adaptive skills and…

Siblings play crucial roles in each other's cognitive and language development because they observe, imitate, and receive guidance and support from each other during their interactions. In this research, we examined trilingual siblings (ages 6 and 9) from an immigrant family with a rarely explored cultural background (American-born children of…

The validity of the Language ENvironment Analysis (LENA) System was evaluated for Dutch. 216 5-min samples (six samples per age per child) were selected from daylong recordings at 5, 10 and 14 months of age of native Dutch-speaking younger siblings of children with autism spectrum disorder (N=6) and of typically developing children (N=6). Two…

Complex systems of inflectional morphology provide a useful testing ground for input-based language acquisition theories. Two analyses were performed on a high-density (12%) naturalistic sample of two Polish-English children's (2;0 and 3;11) and their parents' use of Polish noun inflection: first, each child's use of inflectional affixes and their…

This study's objective is to analyse repair sequences for referring problems that occur in conversation with young children (two to three years old), which have shown how reference recognition unfolds along a collaborative process. The results reveal that caretakers frame varying repair questions and that the children locally answer the…

From a socio-cultural perspective, language offers a means for children to communicate with and learn from others through interaction: language is the medium through which young children are provided cognitive, social, and emotional support in interactions with caregivers, siblings, and peers; and children characterized as dual language learners…

This article synthesizes multiple studies that we have conducted on language and literacy practices among Latinx siblings at home, and identifies implications for teaching. Examples from micro-ethnographic discourse analyses provide rich vignettes of sibling interactions within Mexican and Central American immigrant households to illustrate how…

Lexical development of bilingual children is influenced by a number of input factors. In the present study, early lexical skills of 25-month old children growing up with Turkish and German were assessed. Parents of 92 children filled out a newly developed list for productive Turkish vocabulary, as well as a vocabulary list for German. A parental…

Research on the home literacy environment has typically involved parents as teachers with little attention given to siblings' roles in teaching each other. This study examines naturalistic language and literacy teaching by 39 sibling dyads, at two timepoints, when children were ages 2 and 4 (time 1; T1) and again at ages 4 and 6 (time 2; T2). Each…

Italian-schooled Chinese migrant youth in Prato enact a Chinese diasporic identity which develops as a result of the diasporic stance they manifest through Mandarin-speaking practice, in addition to other practices associated with Mandarin. Being children of Chinese migrants with limited Italian literacy, the youth speak a Chinese dialect and…

This study investigated the role of language exposure in vocabulary acquisition in Irish, a threatened minority language in Ireland which is usually acquired with English in a bilingual context. Using a bilingual Irish-English adaptation of the MacArthur-Bates Communicative Development Inventories) [Fenson, L., V. A. Marchman, D. J. Thal, P. S.…

This article reports on a survey with 170 school-age children growing up with two or more languages in the Canadian province of Ontario where English is the majority language, French is a minority language, and numerous other minority languages may be spoken by immigrant or Indigenous residents. Within this context the study focuses on minority…

Children with Down syndrome (DS) and cerebral palsy (CP) are at risk of remaining pre-symbolic in their communication and play for prolonged periods. The aim of this study was to explore the early communication and play of children with DS and with CP who communicated at the pre-symbolic stage, and to determine the association between these…

Cognitive and language skills of 39 siblings of children with autism (SIBS-A) and 39 siblings of typically developing children (SIBS-TD) at ages 4, 14, 24, 36, and 54 months were compared. Twelve of the 39 SIBS-A revealed a delay in cognition and/or language (including one child diagnosed with autism) compared to only two SIBS-TD. Developmental…