INTRODUCTION This study aimed to determine current levels of physical activity and sedentary behavior in middle school students on the basis of grade, sex, student attitudes toward physical education, and residence location. METHODS In 2013, a cross-sectional study of 1793 students aged 12 to 15 years was conducted across eight middle schools in Beijing, China. Four schools were selected from...

This article examines the effectiveness of a technology-based algebra curriculum in a wide variety of middle schools and high schools in seven states. Participating schools were matched into similar pairs and randomly assigned to either continue with the current algebra curriculum for two years or to adopt Cognitive Tutor Algebra I (CTAI), which uses a personalized, masterylearning, blended-lea...

marked the last official meeting of the Diversity in Mathematics Education (DiME) seminar, a five-year middle grades professional development collaboration between the NSF-funded DiME project at Berkeley and the Berkeley Unified School District (BUSD). There had been, as BUSD's Superintendent said that day, some bumps in the road during our collaboration. But there was also real progress. There...

Transport Layer Security (TLS) is the main standard designed for secure connections over the Internet. Security of TLS connections against active Man-in-the-Middle attacks relies on correctly validating public-key certificates during TLS handshake authentication. Although Certificate Transparency (CT) and further improved CT system—IKPmitigated the certificate authentication issues from the per...

BACKGROUND Travel to and from school can be an important and regular source of physical activity for youth. Few US studies have documented the prevalence and correlates of walking and bicycling to school. OBJECTIVE To examine the prevalence and correlates of walking and bicycling to school among middle and high school youth. DESIGN Cross-sectional survey. SETTING Sixty middle schools and ...

CONTEXT Previous studies suggest that student athletes may be less likely than nonathletes to engage in sexual behavior. However, few have explored sexual risk behavior among athletes in early adolescence. METHODS In 2005, a sample of 10,487 students in 26 Los Angeles public middle and high schools completed a self-administered survey that asked about their demographic characteristics, sports...

Intervention: Over 2 years, physical activity interventions were designed to increase physical activity in physical education classes and throughout the school day. Nutrition interventions were designed to provide and market low-fat foods at all school food sources, including cafeteria breakfasts and lunches, a la carte sources, school stores, and bag lunches. School staff and students were eng...

OBJECTIVE To determine prevalence of rheumatic heart disease (RHD) using clinical and echocardiographic criteria and to study influence of socioeconomic status (SES) we studied school children in a north-western Indian town. METHODS 3292 school children, age range 5-14 years, in two private schools, ten middle SES government schools and six low SES government schools were invited to participa...

An analysis of complementary and alternative medicine (CAM) in US medical school curriculum was undertaken. Websites for 130 US medical schools were systematically analyzed for course listings and content. Half of the schools (50.8%) offered at least one CAM course or clerkship. A total of 127 different course listings were identified, embracing a range of topics and methods of instruction. The...