نتایج جستجو برای: the middle school

تعداد نتایج: 16127818  

Journal: :The Journal of adolescent health : official publication of the Society for Adolescent Medicine 2007
Robin M Kowalski Susan P Limber

PURPOSE Electronic communications technologies are affording children and adolescents new means of bullying one another. Referred to as electronic bullying, cyberbullying, or online social cruelty, this phenomenon includes bullying through e-mail, instant messaging, in a chat room, on a website, or through digital messages or images sent to a cell phone. The present study examined the prevalenc...

Journal: :JAMA pediatrics 2014
John W O'Kane Amy Spieker Marni R Levy Moni Neradilek Nayak L Polissar Melissa A Schiff

IMPORTANCE Despite recent increased awareness about sports concussions, little research has evaluated concussions among middle-school athletes. OBJECTIVES To evaluate the frequency and duration of concussions in female youth soccer players and to determine if concussions result in stopping play and seeking medical care. DESIGN, SETTING, AND PARTICIPANTS Prospective cohort study from March 2...

Journal: :iranian journal of psychiatry 0
mitra hefazi mental health office, ministry of health, tehran, iran elaheh sahimi-izadian iranian national center for addiction studies, tehran university of medical sciences, tehran, iran afarin rahimi-movaghar iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran masoumeh amin-esmaeili iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran emran m razaghi iranian national center for addiction studies, tehran university of medical sciences, tehran, iran reza yousefi-nooraie health research methodology graduate program, department of clinical epidemiology and biostatistics, mc master university, ontario, canada

objectives: the mean age of cigarette smoking has decreased along with an increase in its prevalence, in developing countries. the aim of this systematic review is to determine the prevalence of lifetime, current and daily smoking among middle school students in iran . methods: various search methods have been used in this study including searching different international databanks such as pubm...

2018
James Tsai Kimp Walton Blair N. Coleman Saida R. Sharapova Sarah E. Johnson Sara M. Kennedy Ralph S. Caraballo

Electronic cigarettes (e-cigarettes) were the most commonly used tobacco product among U.S. middle school and high school students in 2016 (1). CDC and the Food and Drug Administration (FDA) analyzed data from the 2016 National Youth Tobacco Survey (NYTS) to assess self-reported reasons for e-cigarette use among U.S. middle school (grades 6-8) and high school (grades 9-12) student e-cigarette u...

2005
Shannon Campe Linda L. Werner

To participate in the changing world of technology, students must develop information technology (IT) fluency, rather than simply IT literacy. Fluency includes three kinds of knowledge: skills, concepts, and capabilities. The acquisition of these kinds of knowledge is more likely to happen in the context of project-based work. Because of the continued majority of males in IT, it is essential th...

Journal: :Developmental science 2014
Drew H Bailey Robert S Siegler David C Geary

Recent findings that earlier fraction knowledge predicts later mathematics achievement raise the question of what predicts later fraction knowledge. Analyses of longitudinal data indicated that whole number magnitude knowledge in first grade predicted knowledge of fraction magnitudes in middle school, controlling for whole number arithmetic proficiency, domain general cognitive abilities, paren...

2011
B. Middle

• Pink highlight indicates a standard or objective that is supported by the use of Webspiration Classroom. • Green note annotation includes the names of a Webspiration Classroom template that corresponds to the highlighted standard. These templates are a part of the software program and act as starters or frameworks for student work. Meeting curriculum standards is a major focus in education to...

2004
Kenneth D. Forbus Leo C. Ureel Karen Carney Bruce L. Sherin

Qualitative modeling offers the potential for engaging middleschool students in scientific modeling. This paper discusses the design decisions underlying VModel, a qualitative modeling environment that has been used in several studies in Chicago Public School classrooms. We discuss how these decisions were influenced by the constraints imposed by the conceptual development of the students and t...

2004
Linda L. Werner Jill Denner Steven Bean

A large gender gap exists with who designs and produces new computer technology; men overwhelmingly dominate the field. Studies have shown that women are more likely to pursue and persist in computer science when they have the confidence to problem-solve and explore without fear of breaking the computer, see social aspects of computing, and see a value to computing consistent with their self id...

Journal: :Educational Technology & Society 2018
Florence Martin Chuang Wang Teresa M. Petty Weichao Wang Patti Wilkins

Cyber bullying, digital identity, impact of digital footprints, and use of inappropriate social media are topics that are gaining attention in K-12 schools. As more schools and school districts are implementing 1-1 and “bring your own technology” initiatives, attention to these topics is becoming increasingly important. A total of 593 middle school students were surveyed about digital footprint...

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