نتایج جستجو برای: some schools were randomly selected then

تعداد نتایج: 4979092  

Journal: :Laboratory Medicine 1999

Journal: :Indian pediatrics 2008
S Siziya A S Muula E Rudatsikira

OBJECTIVES To determine the prevalence and correlates for current cigarette smoking. DESIGN Secondary analysis of the East Timor-Leste Global Youth Tobacco Survey conducted in 2006. SETTING Public and private schools registered with the Ministry of Education. PARTICIPANTS A two-stage cluster sample of 1790 students in Grades 7 to 9. Schools were selected with probability proportional to e...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1370

the subjects of the study are only the tefl teachers and students at gilan university. to obtain the desired data, a questionnaire which was based on the theories and disecussions gathered, was used as the main data gathering instrument. to determine the degree of relationship between variables, covariance and pearson product moment correlation coefficient were the formulas applied. the data we...

Journal: :Bulletin of the World Health Organization 2008
Mohammed A Tag-Eldin Mohsen A Gadallah Mahmoud N Al-Tayeb Mostafa Abdel-Aty Esmat Mansour Mona Sallem

OBJECTIVE Female genital cutting (FGC) is the collective name given to traditional practices that involve partial or total cutting away of the female external genitalia whether for cultural or other non-therapeutic reasons. In Egypt, the result of the Demographic Health Survey in 2000 revealed that 97% of married women included in the survey experienced FGC. The aim of this study is to measure ...

Journal: :international journal of pediatrics 0
rohollah valizade msc student of epidemiology, student research committee, urmia university of medical sciences, urmia, iran. parvaneh taymoori social determinants of health research center, kurdistan university of medical sciences, sanandaj, iran. fayegh yousefi yousefi department of psychiatry, medicine faculty, kurdistan university of medical sciences, sanandaj, iran. leila rahimi department of clinical psychology, marivan, iran. naseh ghaderi student research committee, kurdistan university of medical sciences, sanandaj, iran.

background maturity and its related sexual and mental changes are one of the most important events in the life of every individual. the purpose of this study was to determine the effect of puberty health education based on health belief model on health behaviors and preventive among students boy first secondary school in marivan city in 2015. materials and methods this research is an experiment...

2011
Sabah Bakhtiari Parvaneh Shafinia Vahid Ziaee

PURPOSE The aim of this study was to examine the influence of selected exercises on motor development in elementary school third grade girl students in Ahwaz City, Iran. METHODS The present study was semi-experimental, performed as field and using experimental and control groups. The statistical population included all third grade girl students of elementary schools of Ahvaz city (10,500 subj...

Ghasemzadeh, Koorosh , Ghourchian, Nadergholi , Jaafari, Parivash ,

Purpose: This study is to provide a model that will promote the role of primary school vice-principals in educational leadership so that their vice-principals move towards the tasks related to education. Methodology: The sample size consisted of 610 principals, vice-principals and teachers, determined by a two-step classification procedure. In this research, Mazandaran Province was divided into...

Journal: :American journal of health behavior 2012
Masego Rantao Olalekan A Ayo-Yusuf

OBJECTIVES To determine factors associated with dual use of tobacco products in a population of black South African adolescents. METHODS Data were obtained from a self-administered questionnaire completed by a representative sample of grade 8 students from 21 randomly selected secondary state schools in the Limpopo Province, South Africa (n=1878). RESULTS Of the respondents, 11.4% used smo...

Journal: :The Southeast Asian journal of tropical medicine and public health 2004
O Teng K Narksawat J Podang O Pacheun

A cross-sectional survey was undertaken to assess dental caries status, knowledge, attitude and practice in oral health among 12-year-old primary schoolchildren participating in the Oral Health Preventive School Program (OHPSP) conducted since 1998 in Phnom Penh City, Cambodia. Schools were stratified into 3 groups by levels of cooperation (good, partial, and poor) with the OHPS program and sam...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1391

as polysemy is encountered frequently in english as foreign language. fl learners’ ability to disambiguate polysemous verbs becomes critical to their comprehension in the target language. this thesis, accordingly, investigated how iranian efl learners achieved comprehension of english polysemous verbs by using three different types of cues: (1) elaborated context, (2) semantic frames, and (...

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