نتایج جستجو برای: school safety

تعداد نتایج: 524588  

Journal: :Journal of Legal Aspects of Sport 1994

Journal: :Journal of The Korean Society of Civil Engineers 2013

Journal: :American journal of preventive medicine 2007
Matthew D Falb Dafna Kanny Kenneth E Powell Anthony J Giarrusso

BACKGROUND Walking to school can be an important contributor to the daily physical activity of children. However, little is known about the percentage of children who could reasonably be expected to walk to school. The purpose of this study was to estimate the percentage of children in Georgia who live within a safe and reasonable walking distance from school and to identify demographic, school...

2016
Matthew A. Kraft William H. Marinell Darrick Yee

We study the relationship between school organizational contexts, teacher turnover, and student achievement in New York City (NYC) middle schools. Using factor analysis, we construct measures of four distinct dimensions of school contexts captured on the annual NYC School Survey. We identify credible estimates by isolating variation in organizational contexts within schools over time. We find t...

2015
Matthew A. Kraft William H. Marinell Darrick Yee

We study the relationship between school organizational contexts, teacher turnover, and student achievement in New York City (NYC) middle schools. Using factor analysis, we construct measures of four distinct dimensions of school contexts captured on the annual NYC School Survey. We identify credible estimates by isolating variation in organizational contexts within schools over time. We find t...

Journal: :Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine 2017
Nathaniel F Watson Jennifer L Martin Merrill S Wise Kelly A Carden Douglas B Kirsch David A Kristo Raman K Malhotra Eric J Olson Kannan Ramar Ilene M Rosen James A Rowley Terri E Weaver Ronald D Chervin

ABSTRACT During adolescence, internal circadian rhythms and biological sleep drive change to result in later sleep and wake times. As a result of these changes, early middle school and high school start times curtail sleep, hamper a student's preparedness to learn, negatively impact physical and mental health, and impair driving safety. Furthermore, a growing body of evidence shows that delayin...

2006
Julie Gorchynski Stephen Anderson

OBJECTIVE School-associated firearm violence among children and adolescents is a national public concern. The objective of this study was to determine the accessibility of firearms, methods of firearm access and firearm safety knowledge among middle and high school students in Orange County, California. METHODS After permission from school officials and parents was obtained, a 24-question sur...

Journal: :The Journal of adolescent health : official publication of the Society for Adolescent Medicine 2013
Douglas J Wiebe Wensheng Guo Paul D Allison Elijah Anderson Therese S Richmond Charles C Branas

PURPOSE Children's safety as they travel to school is a concern nationwide. We investigated how safe children felt from the risk of being assaulted during morning travel to school. METHODS Children between 10 and 18 years old were recruited in Philadelphia and interviewed with the aid of geographic information system (GIS) mapping software about a recent trip to school, situational characteri...

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