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…

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 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,…

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…

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…

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…

A total of 125 white children from three counties in Georgia (selected as representative of small rural and medium and large industrial urban populations) were administered a battery of tests in three phases of their schooling: (1) during the summer preceding their admission to the first grade, (2) near the end of the first grade, and (3) near the…

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 with 12 elementary school children with mild mental retardationship found that the relation between lexical knowledge and mental age depended upon the nature of the vocabulary test. Results suggested that mental age in this population was more strongly related to knowledge of abstract relational terms than to knowledge of labels for…

THE PURPOSE OF THE STUDY WAS TO EXPLORE THE PIAGET CONCEPT OF CONSERVATION WITH REGARD TO THE CHILD'S CONCEPT OF THE PROPERTY OF LIQUIDS. AN INVESTIGATOR-CONSTRUCTED CONSERVATION INVENTORY WAS GIVEN TO 45 KINDERGARTEN AND FIRST GRADE PUPILS SELECTED FROM THE PRAIRIE ELEMENTARY SCHOOLS, URBANA, ILLINOIS, TO PROVIDE AN INDEX OF THE CHILD'S…

The decision making processes of children in a probabilistic environment were studied within the context of the theory of signal detection (TSD). The relationship between the age of the child and his ability to revise decision criteria was examined, as well as the appropriateness of TSD measures and methodology with children. It was hypothesized…