Education Development Center, Inc. (EDC) and SRI International conducted an independent study of the Public Broadcasting Service (PBS) KIDS "Play & Learn Science" app, which includes in-app and direct hands-on science explorations for children ages 3 to 6 and their parents. This study explored the impact of the PBS KIDS "Play…

Guided by a naïve theories perspective on the development of thinking about disease, this study of 188 children aged 6 to 18 examined knowledge of HIV/AIDS causality and prevention using parallel measures derived from open-ended and structured interviews. Knowledge of both risk factors and prevention rules, as well as conceptual understanding of…

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…

Investigates the nature of social concept development in young children. A heterogeneous sample of 64 kindergarten and 65 first grade public school students completed an assessment task for both basic concepts and social concepts. Grades, sex, and racial group had significant impact on performance. Important differences in difficulty among social…

Examination of 71 American Indian and 149 White children from grades three through six on an open self-description measure and a transformational measure of self-concept reveals differences between the groups on specific external, behavioral, and internal attributes of self-concept. (Author/BJV)

This study investigated a number of questions regarding the nature of social concept development in young children. Subjects were 64 kindergarten children and 65 first grade public school students from lower to upper middle class socioeconomic levels, of whom 66 were male, 63 were female, 78 were Caucasian, and 51 were black. Two assessment…