OBJECTIVE To determine whether school connectedness demonstrated an independent protective association with risk of depression in students in grades 10 to 12 attending a high school in a rural community in southwestern Nova Scotia. METHODS Students at a high school in rural Nova Scotia participated in a self-completion survey in May 2009. Students were asked about a wide range of health-relat...

MathGirls is computer-based algebra designed for high school girls learning algebra I. Given that girls are in general more interested in interactive computing and more positive about the social presence of pedagogical agents, the primary goal of MathGirls is to provide a girl-friendly learning environment that helps enhance girls’ self-efficacy beliefs in and motivation towards learning algebr...

OBJECTIVE To determine the effect of a school-based intervention to promote healthful nutrition and physical activity on disordered weight-control behaviors (self-induced vomiting or use of laxatives or diet pills to control weight) in early adolescent girls and boys. DESIGN Using a group-randomized, controlled-trial design, we randomly assigned middle schools to an intervention or control co...

BACKGROUND Despite the health benefits of physical activity, data from the UK suggest that a large proportion of adolescents do not meet the recommended levels of moderate-to-vigorous physical activity (MVPA). This is particularly evident in girls, who are less active than boys across all ages and may display a faster rate of decline in physical activity throughout adolescence. The 'Girls Activ...

BACKGROUND Participation in physical activities provides students with opportunities for social interaction and social skills development. The purpose of this study was to investigate the associations of students' recess physical activity with school-related social factors. METHODS Data were collected in 19 schools countrywide in autumn 2010, and 1463 students from grades 4 and 5 (primary sch...

People’s fear and anxiety about doing math – over and above actual math ability – can be an impediment to their math achievement. We show that when the math anxious individuals are female elementary school teachers, their math anxiety carries negative consequences for the math achievement of their female students. Early elementary school teachers in the U.S. are almost exclusively female (> 90%...

the dmf index of 2000 school children (1000 boys, 1000 girls) 10 to 15 years old is reported. cases were selected randomly among the school children of different schools, situated in various economic zones of isfahan city. almost 50000 permanent teeth have been examined for healthy, decayed (d), missed (m), and filled (f), and recorded as the dmf index. the mean dmf index of boys and girls unde...