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1. Discovering the Biases Children Bring to Language Learning

   https://doi.org/10.1111/cdep.12379  

   Goldin-Meadow, Susan (November 2020, Child Development Perspectives)

   Abstract The linguistic input children receive has a massive and immediate effect on their language acquisition. This fact makes it difficult to discover the biases that children bring to language learning simply because their input is likely to obscure those biases. In this article, I turn to children who lack linguistic input to aid in this discovery: deaf children whose hearing losses prevent their acquisition of spoken language and whose hearing parents have not yet exposed them to sign language. These children lack input from a conventional language model, yet create gestures, called homesigns, to communicate with hearing individuals. Homesigns have many, although not all, of the properties of human language. These properties offer the clearest window onto the linguistic structures that children seek as they either learn or, in the case of homesigners, construct language. 

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2. Language experience matters for the emergence of early numerical concepts

   https://doi.org/10.1038/s41539-023-00202-w  

   Santos, Stacee; Brownell, Hiram; Coppola, Marie; Shusterman, Anna; Cordes, Sara (December 2023, npj Science of Learning)

   Abstract Research has shown a link between the acquisition of numerical concepts and language, but exactly how linguistic input matters for numerical development remains unclear. Here, we examine both symbolic (number word knowledge) and non-symbolic (numerical discrimination) numerical abilities in a population in which access to language is limited early in development—oral deaf and hard of hearing (DHH) preschoolers born to hearing parents who do not know a sign language. The oral DHH children demonstrated lower numerical discrimination skills, verbal number knowledge, conceptual understanding of the word “more”, and vocabulary relative to their hearing peers. Importantly, however, analyses revealed that group differences in the numerical tasks, but not vocabulary, disappeared when differences in the amount of time children had had auditory access to spoken language input via hearing technology were taken into account. Results offer insights regarding the role language plays in emerging number concepts. 

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3. The intersection of parent questions, child skills, and activity context in informal science, technology, engineering, and math learning

   https://doi.org/10.1016/j.jecp.2024.106000  

   Bambha, Valerie P; Surrain, Sarah; Zucker, Tricia A; Ahmed, Yusra; Leyva, Diana (October 2024, Journal of Experimental Child Psychology)

   Adult verbal input occurs frequently during parent–child interactions. However, few studies have considered how parent language varies across informal STEM (science, technology, engineering, and math) activities. In this study, we examined how open and closed parent questions (a) differed across three STEM activities and (b) related to math, science, and vocabulary knowledge in their preschool-aged children. A total of 173 parents and their preschool children (Mage = 4 years) from lower socioeconomic households were video-recorded participating in three STEM-related activities: (a) a pretend grocery store activity, (b) a bridge-building challenge, and (c) a book read about a science topic. Parent questions were categorized as open or closed according to the presence of key question terms. Results indicate that the three activities elicited different frequencies of parent open and closed questions, with the grocery store activity containing the most open and closed questions. Children’s science knowledge was predicted by the frequency and proportion of parent open questions during the book read. These results enhance our understanding of the role of parent questions in young children’s language environments in different informal learning contexts. 

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4. How children’s media and teachers communicate exclusive and essentialist views of science and scientists.

   https://doi.org/10.1037/dev0001364  

   Wang, Michelle M; Cardarelli, Amanda; Leslie, Sarah-Jane; Rhodes, Marjorie (August 2022, Developmental Psychology)

   Language that uses noun labels and generic descriptions to discuss people who do science (e.g., “Let’s be scientists! Scientists discover new things”) signals to children that “scientists” is a distinctive category. This identity-focused language promotes essentialist beliefs and leads to disengagement from science among young children in experimental contexts. The extent to which these cues shape the development of children’s beliefs and behaviors in daily life, however, depends on (a) the availability of identity-focused language in children’s environments and (b) the power of these cues to shape beliefs over time, even in the noisier, more variable contexts in which children are exposed to them. Documenting the availability of this language, linguistic coding of children’s media (Study 1) and prekindergarten teachers’ language from one science lesson (Study 2; n = 103; 98 female, one male, four unknown; 66% White, 8% African American, 6% Asian/Asian American, 3% mixed/biracial; 21% of the sample, of any race, identified as Hispanic/Latinx) confirmed that identity-focused language was the most common form of science language in these two samples. Further, children (Study 3; n = 83; Mage = 4.36 years; 43 female, 40 male; 64% White, 12% Asian/Asian American, 24% mixed/biracial; 36% of the sample, of any race, identified as Hispanic/Latinx) who were exposed to lower proportions of identity-focused language from their teachers developed increasingly inclusive science beliefs and greater science engagement over time. These findings suggest that linguistic input is an important mechanism through which exclusive beliefs about science are conveyed to children in daily life. 

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5. Teaching little kids big sentences: A randomized controlled trial showing that children with DLD respond to complex syntax intervention embedded within the context of preschool/kindergarten science instruction

   https://doi.org/10.1111/1460-6984.12882  

   Owen Van Horne, Amanda J.; Curran, Maura; Cook, Susan Wagner; Cole, Renée; McGregor, Karla K. (May 2023, International Journal of Language & Communication Disorders)

   Abstract BackgroundThe language of the science curriculum is complex, even in the early grades. To communicate their scientific observations, children must produce complex syntax, particularly complement clauses (e.g.,I think it will float;We noticed that it vibrates). Complex syntax is often challenging for children with developmental language disorder (DLD), and thus their learning and communication of science may be compromised. AimsWe asked whether recast therapy delivered in the context of a science curriculum led to gains in complement clause use and scientific content knowledge. To understand the efficacy of recast therapy, we compared changes in science and language knowledge in children who received treatment for complement clauses embedded in a first‐grade science curriculum to two active control conditions (vocabulary + science, phonological awareness + science). Methods & ProceduresThis 2‐year single‐site three‐arm parallel randomized controlled trial was conducted in Delaware, USA. Children with DLD, not yet in first grade and with low accuracy on complement clauses, were eligible. Thirty‐three 4–7‐year‐old children participated in the summers of 2018 and 2019 (2020 was cancelled due to COVID‐19). We assigned participants to arms using 1:1:1 pseudo‐random allocation (avoiding placing siblings together). The intervention consisted of 39 small‐group sessions of recast therapy, robust vocabulary instruction or phonological awareness intervention during eight science units over 4 weeks, followed by two science units (1 week) taught without language intervention. Pre‐/post‐measures were collected 3 weeks before and after camp by unmasked assessors. Outcomes & ResultsPrimary outcome measures were accuracy on a 20‐item probe of complement clause production and performance on ten 10‐item unit tests (eight science + language, two science only). Complete data were available for 31 children (10 grammar, 21 active control); two others were lost to follow‐up. Both groups made similar gains on science unit tests for science + language content (pre versus post,d= 2.9,p< 0.0001; group,p= 0.24). The grammar group performed significantly better at post‐test than the active control group (d= 2.5,p= 0.049) on complement clause probes and marginally better on science‐only unit tests (d= 2.5,p= 0.051). Conclusions & ImplicationsChildren with DLD can benefit from language intervention embedded in curricular content and learn both language and science targets taught simultaneously. Tentative findings suggest that treatment for grammar targets may improve academic outcomes. What this paper addsWhat is already known on the subjectWe know that recast therapy focused on morphology is effective but very time consuming. Treatment for complex syntax in young children has preliminary efficacy data available. Prior research provides mixed evidence as to children’s ability to learn language targets in conjunction with other information.What this study addsThis study provides additional data supporting the efficacy of intensive complex syntax recast therapy for children ages 4–7 with Developmental Language Disorder. It also provides data that children can learn language targets and science curricular content simultaneously.What are the clinical implications of this work?As SLPs, we have to talk about something to deliver language therapy; we should consider talking about curricular content. Recast therapy focused on syntactic frames is effective with young children. 

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