When children ask questions about science, parents use a variety of strategies to answer them, including providing accurate information, connecting to prior knowledge, or simply saying "I do not know." This study examines the factors underlying individual differences in parental explanatory characteristics. Parents (N = 148; M[subscript…

Models are central to the practice and teaching of science. Yet people often fail to grasp how scientific models explain their observations of the world. Realizing the explanatory power of a model may require aligning its relational structure to that of the observable phenomena. The present research tested whether "relational…

Purpose: This study investigated cumulative effects of language learning, specifically whether prior vocabulary knowledge or special education status moderated the effects of academic vocabulary instruction in high-poverty schools. Method: Effects of a supplemental intervention targeting academic vocabulary in first through third grades were…

Purpose: This study investigated cumulative effects of language learning, specifically whether prior vocabulary knowledge or special education status moderated the effects of academic vocabulary instruction in high-poverty schools. Method: Effects of a supplemental intervention targeting academic vocabulary in first through third grades were…

The goal of the current study is to explore the influence of knowledge on socioeconomic discrepancies in word learning and comprehension. After establishing socioeconomic differences in background knowledge (Study 1), the authors presented children with a storybook that incorporates this knowledge (Study 2). Results indicated that middle-income…

This study further extends scaffolding research to mother-child dyads (N = 51) in poverty, examining relationships between maternal scaffolding and 4-year-old Head Start children's own later scaffolding behaviors. At Time 1, experimental group children received maternal scaffolding during problem-solving tasks, whereas control group children…

Descriptive analyses: Approximately one-third of the nearly 7,500 utterances spoken by teachers were comments. Differences in the use of instructional strategies and content emerged in relation to curriculum condition. In contrast to the variability between teachers, little within-teacher variability was observed. On average, teachers used only…

This study investigated the extent to which learning readiness, prior-to-school experiences, and child and family characteristics influence children's literacy and numeracy achievement across the first year of primary school. A sample of 104 kindergarten children was recruited from 16 classrooms and followed from the beginning to the end of their…

Examines mealtimes of preschoolers' families to determine whether rare words are used in informative ways so that a child could learn their meanings. Each use was coded for whether it was informative or uninformative; each informative exchange was coded for type of strategy used to provide support. Frequency of use was positively correlated with…