نتایج جستجو برای: iran n130000 by using multistage random sampling technique

تعداد نتایج: 8902842  

2017
Hamidreza Roohafza Bahram Soleymani Mohammad Matinpour

Objective: In Iran few studies have investigated the association among the dimensions of perfectionism with the academic achievement and other psychopathologies, such as depression and anxiety. This study has investigated these relationships in an Iranian school-age sample. Methods: Using multistage cluster random sampling, 793 students completed the questionnaire anonymously in the classroom i...

ژورنال: علوم آب و خاک 2008
کرمی, عزت اله , کشاورز , مرضیه ,

Drought is an unavoidable natural disaster in dry and arid regions of the world. Studies indicate that Iran with its geographical and climatic characteristics is poor in water resources. Moreover, it is estimated that in 2025, Iran should increase the water resources by 112% in order to maintain status quo. Therefore, the occurrence of drought is more prevalent in the future. This implies a rea...

کرمی, عزت اله , کشاورز , مرضیه ,

Drought is an unavoidable natural disaster in dry and arid regions of the world. Studies indicate that Iran with its geographical and climatic characteristics is poor in water resources. Moreover, it is estimated that in 2025, Iran should increase the water resources by 112% in order to maintain status quo. Therefore, the occurrence of drought is more prevalent in the future. This implies a rea...

Journal: :Noro psikiyatri arsivi 2017
Elahe Majd Ara Siavash Talepasand Ali Mohammad Rezaei

INTRODUCTION The present study was conducted with the aim of examining the structural model of interpersonal relationships and depression using coping strategies and loneliness as mediators. METHODS Using multistage random sampling, 301 high-school students were selected from Minudasht city, Iran. The participants were aksed to complete the Network of Relationships Inventory (NRI); the Ways o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

Journal: :Journal of Computational and Applied Mathematics 2014

2016
Mostafa Qorbani Roya Kelishadi Shirin Djalalinia Mohammad Esmaeil Motlagh Amir Kasaeian Gelayol Ardalan Gita Shafiee Omid Safari Ramin Heshmat Sadegh Baradaran Mahdavi

Background: This study aimed to assess the pattern of hygienic behaviors of Iranian children and adolescents at national and sub-national levels according to the socioeconomic status (SES) of their living region. Methods: Data were obtained from the fourth national school-based surveillance survey entitled, "CASPIANIV study" (2011-2012). It was conducted among 14,880 students, aged 6-18 years, ...

Journal: :Education in Medicine Journal 2012

Journal: :Journal of Computational Science 2015

Journal: :Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit 2008
M Taremi A H Mohammad Alizadeh A Ardalan S Ansari M R Zali

A 2-month community-based survey in February/March of 2003 was carried out to study the seroprevalence of hepatitis E virus (HEV) infection in Nahavand, Islamic Republic of Iran. From each of 6 urban regions of Nahavand, 304 inhabitants > or = 6 years were recruited through systematic random sampling (total 1824). Participants were tested for anti-HEV IgG using ELISA. The overall seroprevalence...

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