نتایج جستجو برای: golestan province using systematic classified random sampling method
تعداد نتایج: 4871209 فیلتر نتایج به سال:
This article seeks to analyze the sociological dimension of social modernization and its effect on family formation among university students in Golestan province. This article is based on data gathered by a survey on 400 young educated students, 18 to 50 years old, from all levels of university education in Golestan province. The stratified random sampling method based on a given volume was u...
The current study addresses determination of occurrence optimal thresholds of predictive models of plant species distribution in Nir rangelands of Yazd province. Accordingly, after determination of homogeneous units using digital elevation model and geology maps with scale 1:25000, vegetation sampling was carried out using random systematic method via plots which establishment across 3-5 transe...
The nearest individual method (NIM), Nearest neighbor method (NNM) and compound method (CM) are distance sampling methods that are being applied to measure the plant density (numbers of individuals per unit area). Density is one of the essential structural characteristics in forest stands and useful to understand the dynamics of the forest. The present study aimed to find the most adaptable dis...
This study sought to evaluate the effect of changes in the composition of interregional intermediate exports and total volume of intermediate exports on the sectoral output of Golestan province and other regions using two-regional input-output model. For this purpose, at first, two-regional input- output tables for each of these region (Golestan province and other regions of country) were prepa...
Background & Aims: Diabetes is an increasingly important health concern and causes serious complications. Most adolescents struggle with blood sugar changes due to the growing conditions of puberty and reduced adherence to treatment. Meanwhile, one of the problems of the health system is not following treatment among adolescents which is affected by social factors. Considering that training bas...
Endoscopic screening for precancerous lesions of the esophagus in a high risk area in Northern Iran.
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a major health problem in many developing countries including Iran. ESCC has a very poor prognosis, largely due to late diagnosis. As a first step in developing an early detection and treatment program, we conducted a population-based endoscopic screening for ESCC and its precursor lesion, esophageal squamous dysplasia (ESD) in asymptomati...
gholamreza khoshfar mahbobeh ilvari date of receive: 2014/12/9date of accept: 2015/5/11abstractthe present study was conducted to identify the relationship between religiosity and marital adjustment. since religion influences family relationships and regarding the fact that in the present conditions the strength of religious values in the family is one of the goals of our islamic society, condu...
Implementing unequal probability sampling, without replacement, is very complex and several methods have been suggested for its performance, including : Midseno design and systematic design. One of the methods that have been introduced by Devil and Tille (1998) is the splitting design that leads to simple random sampling .in this paper by completely explaining the design, with an example, we ha...
Esophageal cancer is the fourth cancer of digestive system that constitutes two up to five percent of all identified malignancies (1). One of the main characteristics of this lethal disease is its specific geographical distribution. For instance, its incidence has been reported to be 3/100,000 in Europe and USA (2). However, this is in some parts of central Asia, which is known as esophageal ca...
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