Bedtime activities, sleep environment, and their impact on sleep/wake patterns were assessed in 509 elementary school children (6-12 years of age; 252 males and 257 females). Television viewing, playing video games, and surfing the Internet had negative impact on sleep/wake parameters. Moreover, presence of a television set or video game in the child's bedroom increased their activity before be...

This case study explores the process of change in the instructional beliefs and practices of a science teacher participating in a university-elementary school collaborative science learning project in Taiwan. Multiple research methods were employed. Results show five stages of teacher change: (1) awareness of shortcomings of old strategy; (2) conviction of need for change and search for help; (...

In the paper we present the findings of the empirical research study whose purpose was to monitor creativity abilities of seventh grade pupils in Slovenian elementary schools. More concretely, we monitored the levels of artistic-creative and artistic-formative development. The research sample consisted of 247 seventh graders in various elementary schools. We examined creativity abilities from t...

PURPOSE Although a global picture exists of teachers' voice demands in general, few studies have compared specific groups of teachers to determine whether some are more at risk than others. This study compared the vocal loadings of kindergarten and elementary school teachers; professional and nonprofessional vocal load were determined for both groups. METHOD Twelve kindergarten and 20 elementar...

Student turnover has many negative consequences for students and schools, and the high mobility rates of disadvantaged students may exacerbate inequality. Scholars have advised schools to reduce mobility by building and improving relationships with and among families, but such efforts are rarely tested rigorously. A cluster-randomized field experiment in 52 predominantly Hispanic elementary sch...

The Czech Republic joined the e-Bug Project in 2006, and participated in the evaluation of the e-Bug pilot version together with the United Kingdom and France in 2007. The final version of the educational material was prepared in the UK centre in 2008. These were distributed to all elementary schools in the Czech Republic at the beginning of 2010. This was accompanied by a publicity campaign. T...

We present the concept of instructional program coherence and explain why school improvement frameworks that incorporate instructional program coherence are more likely to advance student achievement than multiple, unrelated efforts. We present evidence that Chicago elementary schools with stronger instructional program coherence make higher gains in student achievement. We also share observati...

OBJECTIVES To investigate the contribution of school neighborhood socioeconomic advantage to the association between school-district physical education policy compliance in California public schools and Latino students' physical fitness. METHODS Cross-sectional Fitnessgram data for public-school students were linked with school- and district-level information, district-level physical educatio...

Using K–8 national longitudinal data, the authors investigate males’ and females’ achievement in math and reading, including when gender gaps first appear, whether the appearance of gaps depends on the metric used, and where on the achievement distribution gaps are most prevalent. Additionally, teachers’ assessments of males and females are compared. The authors find no math gender gap in kinde...

BACKGROUND Media can influence aspects of a child's physical, social, and cognitive development; however, the associations between a child's household media environment, media use, and academic achievement have yet to be determined. OBJECTIVE To examine relationships among a child's household media environment, media use, and academic achievement. METHODS During a single academic year, data...