نتایج جستجو برای: golestan province using systematic classified random sampling method
تعداد نتایج: 4871209 فیلتر نتایج به سال:
The purpose of this descriptive-correlational research was to determine effects of social capital components on risk-taking of rural people. The research population consisted of rape seed farmers of Kangavar Township, Kermanshah Province (N=389). 185 farmers were selected by systematic random sampling method. Based on the findings, level of social capital and risk taking among farmers were at t...
Quaternary loess and loess like deposits covered more than 3200 km2 of Golestan Province. Mineralogical aspects of loess deposits were studied on collected samples with east-west trend by random method using X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Analysis (EDXA). The results showed the presence of quartz, calcite and clay minerals like illite and...
Systematic sampling is a commonly used technique due to its simplicity and ease of implementation. The drawback of this simplicity is that it is not possible to estimate the design variance without bias. There are several ways to circumvent this problem. One method is to suppose that the variable of interest has a random order in the population, so the sample variance of simple random sampling ...
in the developing countries, where introduction and subsequent adoption of improved technologies is too slow to counteract the adverse effects of varying environmental conditions, there are increasing demands for meteorological information by farmers who are seriously in need of weather forecast information for their prompt operational decisions. the purpose of this study was to determine the f...
goal: this study aims at analyzing and categorizing different grammatical errors including morpho-syntactic and syntactic errors in written narratives of mentally retarded students in tehran. the frequencies of errors are compared among students in different grades. method: descriptive-analytic method has been used. a test consisted of four picture stories have been administered to 125 students...
Effect of the road technical and drainage properties on roadside landslides in watershed 85 Golestan province
OBJECTIVES To investigate the impact of gender on multimorbidity in northern Iran. DESIGN A cross-sectional analysis of the Golestan cohort data. SETTING Golestan Province, Iran. STUDY POPULATION 49 946 residents (age 40-75 years) of Golestan Province, Iran. MAIN OUTCOME MEASURES Researchers collected data related to multimorbidity, defined as co-existence of two or more chronic disease...
OBJECTIVES Recent studies have suggested the occurrence patterns and related diet factor of esophagus cancer (EC) and gastric cancer (GC). Incidence of these cancers was mapped either in general and stratified by sex. The aim of this study was to model the geographical variation in incidence of these two related cancers jointly to explore the relative importance of an intended risk factor, diet...
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