The origins and development of our geometric intuitions have been debated for millennia. The present study links children's developing intuitions about the properties of planar triangles to their developing abilities to read purely geometric maps. Six-year-old children are limited when navigating by maps that depict only the sides of a triangle in…

The researchers investigated the effects of adult language input on the quantity of language, vocabulary development, and understanding of basic concepts of deaf and hard of hearing (DHH) children who used listening and spoken language. Using audio recording and Language ENvironment Analysis (LENA) software, the study involved 30 preschool DHH…

Research Findings: This study of kindergarten monolingual and Dual Language Learners (DLLs) (N=263; mean age = 63.40 months) and their teachers (N=27) found significant mean differences in the observed quality of language interactions in classrooms with differing proportions of DLLs. Teachers instructing in classrooms with higher numbers of DLLs…

This mixed methods study extends findings from a prior study exploring use of increasingly-complex, expository text situated within a five-week interdisciplinary intervention in which first-grade children attending a Sheltered-English (SEI) immersion classroom advanced their conceptual knowledge and academic language approximating levels near or…

Little analytical scrutiny has been devoted to teacher accommodation of academic language at the early childhood level, despite being a critical school-level factor to consider when addressing at-risk learners' academic needs. The present study investigates how fifteen Head Start teachers support three components of academic language during…

This mixed-methods study explored joining use of increasing-complex text with sound instructional practices on English Learners' (ELs) academic language and conceptual knowledge. Findings showed one-week postintervention, ELs achieved significant academic vocabulary gains such that there were no differences between ELs and general education (GE)…

This study was designed to experimentally examine how supplemental vocabulary instruction provided in either whole-group or small-group settings influences low-income preschoolers' word knowledge and conceptualdevelopment. Using a within-subject design, 108 preschool children from 12 Head Start classrooms participated in an 8-week intervention,…

A pragmatic randomised controlled trial was used to investigate the effects of two forms of shared reading on children's language and literacy skills. Parents of 80 children in the preparatory year of school participated in an eight-week home reading intervention. Families were assigned to one of three groups: dialogic reading (DR), dialogic…

Traditionally, children's books are in a printed format and shared book reading is done with an adult. In recent years, interactive E-books have become a common medium for children's books and shared book reading is diminishing. This study compared the contribution of book format to the development of literacy in kindergarten children. We…

The present study examined the cognitive factors that influence children's physical science learning from a multimedia instruction. Using a causally coherent text and visual models, we taught 4th- and 7th-grade children about the observable and molecular properties of the three states of water. We manipulated whether the text was read by a tutor…

Effects of a 1-semester professional development (PD) intervention that included expert coaching with Head Start teachers were investigated in a randomized controlled trial with 88 teachers and 759 children. Differential effects of technologically mediated (remote) versus in-person (on-site) delivery of individualized coaching with teachers also…

This study examined the effects of an intensive shared book-reading intervention on the vocabulary development of preschool children who were at risk for vocabulary delay. The participants were 125 children, who the researchers stratified by classroom and randomly assigned to one of two shared book-reading conditions (i.e., the experimental, Words…

Research Findings: Recent evidence suggests that children benefit from pre-K programs in terms of both academic and social skills and that this growth is predicted by the quality of the interactions teachers have with students. Prior cluster analysis revealed 5 distinct quality profiles of teacher-child interactions in pre-kindergarten based on…

The Soviet position on vocabulary and the relationships among intelligence, language, and culture holds that thoughts and words have different developmental roots and that there are more differences than likenesses between them. In this United States study, 105 students grouped by their having parents in three different employment categories were…

This study examined the correlation between the DIAL-3 scores of disadvantaged students from Head Start, students from other preschools, and students that did not attend a preschool. The study consisted of 110 students who were currently attending kindergarten at an elementary school in Rockland County. The instrument used for this study was the…