نتایج جستجو برای: high school boys

تعداد نتایج: 2280412  

Journal: :Child development 2013
Cari Gillen-O' Neel Andrew Fuligni

This longitudinal study examined how school belonging changes over the years of high school, and how it is associated with academic achievement and motivation. Students from Latin American, Asian, and European backgrounds participated (N = 572; age span = 13.94-19.15 years). In ninth grade, girls' school belonging was higher than boys'. Over the course of high school, however, girls' school bel...

Journal: :Croatian medical journal 2004
Marina Valek Belita Laslavic Zlatko Laslavic

AIM To assess caffeine intake habits of Osijek high school students and identify the most important sources of caffeine intake. METHODS Adjusted Wisconsin University Caffeine Consumption Questionnaire was administered to 571 high school students (371 boys and 200 girls in the ninth grade) from Osijek, the largest town in eastern Croatia. The level of caffeine in soft drinks was determined by ...

Journal: :British journal of preventive & social medicine 1959
J H ABRAMSON

Groups of children vary considerably in their growth and maturation. Such differences have been ascribed to nutritional, ethnic, climatic, and other factors. This study was carried out on Indian pupils at a day school in an extremely poor "slum" neighbourhood of Durban, the social conditions of which have been described by Kark and Chesler (1956) and Abramson (1959). The majority of the boys ca...

2016
Mingyu Feng Jeremy Roschelle Craig Mason Ruchi Bhanot

Recent studies [10, 23] using US nationwide databases showed high school boys spent significantly less time doing homework than girls, based on their responses to questionnaires and surveys. To investigate gender differences in homework in middle school, in this paper, we analyzed computer log data and standardized test scores of more than 1,000 7 grade students who participated in a large-scal...

Journal: :Biopsychosocial Medicine 2007
Mikayo Ando Takashi Asakura Shinichiro Ando Bruce G Simons-Morton

BACKGROUND Smoking and drinking alcohol among early adolescents are serious public health concerns, but few studies have been conducted in Japan to assess their prevalence and etiology. A regional survey was conducted in eight schools in two Japanese school districts to identify psychosocial factors associated with smoking and drinking behaviors for boys and girls. METHODS Junior high school ...

Journal: :international journal of occupational hygiene 0
masoud mohammadi-dehcheshmeh department of public administration, faculty of management, university of tehran, tehran, iran. aliasghar pourezzat department of public administration, faculty of management, university of tehran, tehran, iran. arian gholipour department of public administration, faculty of management, university of tehran, tehran, iran.

and school staff. therefore, it is essential to pay continuous and specific attention to safety problems in schools. we identified 20 critical success factors (csfs) in the current study based on previous researches in order to achieve effective school safety. then these factors validated by 33 governmental high school administrators. this survey was conducted in tehran, among 96 governmental h...

Journal: :Prilozi 2009
B Mladenovic D Donev M Spasovski

UNLABELLED (Full text is available at http://www.manu.edu.mk/prilozi). The aim of the study was to assess the gender influence on the main determinants of sexual behaviour of senior high-school students in Skopje, R. Macedonia (prevalence and age of onset of sexual activity, duration of the relationship before and the contraceptive method used during the first sexual intercourse, and number of ...

Journal: :caspian journal of internal medicine 0
ali pourhassan amiry, zeinab mortazavi mahmoud monadi ali bijani

background: peak expiratory flow rate (pefr) is recommended as a tool for control of asthma. the purpose of this study was to determine the normal value of pefr in the healthy high school children in babol, iran. methods: this study was conducted on 470 healthy high school children (285 girls, 185 boys with the age between 14-18 years). for the determination of pefr we used mini wright peak flo...

Journal: :asian journal of sports medicine 0
gundeep singh m. m. college of dental sciences and research, maharishi markandeshwar university, mullana–ambala, india shalini garg m. m. college of dental sciences and research, maharishi markandeshwar university, mullana–ambala, india; department of pediatric and preventive dentistry, people's college of dental sciences, bhanpur road, bhopal, india; m. m, college of dental sciences and research, maharishi markandeshwar university, mullana–ambala, haryana, india. tel: +91-9215668621, fax: +91-1731274325 satyawan gangaramji damle m. m. college of dental sciences and research, maharishi markandeshwar university, mullana–ambala, india abhishek dhindsa m. m. college of dental sciences and research, maharishi markandeshwar university, mullana–ambala, india ambreen kaur private practitioner, patiala, india shilpy singla department of pediatric and preventive dentistry, people's college of dental sciences, bhanpur road, bhopal, india

conclusions the result of the present study confirmed that students participating in different organized sports at high school level are at a very high risk of getting orodental injury. hence knowledge and education regarding prevention of traumatic injuries is of paramount importance. results 30.3% (n = 335) of students suffered from orodental injuries. a higher number of girls had injury (32%...

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