نتایج جستجو برای: summer school
تعداد نتایج: 316835 فیلتر نتایج به سال:
BACKGROUND Overweight and obesity are highly prevalent among American Indian children, especially those living on reservations. There is little scientific evidence about the effects of summer vacation on obesity development in children. The purpose of this study was to investigate the effects of summer vacation between kindergarten and first grade on growth in height, weight, and body mass inde...
BACKGROUND The recent prevalence of obesity in Japanese children is much higher compared to 1980. The present study compared daily sedentary behavior (SB) and physical activity (PA) between the school year and summer vacation in Japanese primary school children. METHODS Participants were 98 Japanese boys (8.9 ± 1.8 years at baseline) and 111 girls (9.1 ± 1.8 years). SB and PA were measured in...
STUDY OBJECTIVES This analysis examined associations between the salivary dim light melatonin onset (DLMO) phase and self-selected sleep/ wake schedules in groups of children and adolescents during summer vacation and during the school year to determine the degree to which sleep/wake patterns can estimate salivary DLMO phase. DESIGN AND SETTING Participants slept at home on self-selected sche...
learning inform fundamental questions of educational stratification and help parse school, family, and community influences on children’s academic development. With children “in” their homes, schools, and communities during the school year, but just “in” their homes and communities over the summer months, the academic calendar approximates a natural experiment that affords leverage for isolatin...
BACKGROUND The number of obese children in the US remains high, which is problematic due to the mental, physical, and academic effects of obesity on child health. Data indicate that school-age children, particularly underserved children, experience unhealthy gains in BMI at a rate nearly twice as fast during the summer months. Few efforts have been directed at implementing evidence-based progra...
Reflexives (e.g. himself ) and pronouns (e.g. him) are usually distin-guished by categorical conditions on their binding domains. However, there is aclass of English expressions of the form Possessive Pronoun+ass (e.g. your ass)which we demonstrate to have pronominal properties but which appear to haveunrestricted binding domains. We explore the problems such expressions pose fo...
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