نتایج جستجو برای: 384 sample selected by cochrane formula
تعداد نتایج: 7392684 فیلتر نتایج به سال:
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
the purpose of this study was to survey the socioeconomic status of participants in sport for all in mazandaran province. the sample consisted of 384 subjects who were randomly selected. the questionnaire of socioeconomic status was used in this study (?=0.89). descriptive and inferential statistics (pearson correlation coefficient) as well as spss ver. 13 were used to analyze the data (p
This article is aimed to explain sociologically active aging with emphasizing the social capital in Esfahan. The present research is a survey and in terms of purpose is a practical type of cross-sectional study. The population is all elderly over 60 years in Esfahan in 2015. The sample size is selected by using Cochran Formula to 384 subjects and a quota sampling method is done by focusing the ...
background: prevalence of obesity in the world, in both developed and developing countries, is growing rapidly. bariatric surgery is now accepted as the treatment for morbid obesity. objective: this study compares laparoscopic sleeve gastrectomy's effectiveness (lsg) with the most common bariatric surgery, laparoscopic roux-en-y (lrygb) gastric bypass. methods: a systematic review was perform...
Identity in recent decades, especially in social and national dimension, as one of the most key components of humanities and social sciences, considered very deeply by experts and scientists. This article attempts to examine national identity in the sphere of culture globalization and worldwide consumption culture. Because this culture includes different dimension, the article has done by the p...
Aims: This study examined the marketing challenges faced by cashew farmers in Kombo South District of The Gambia. objectives were to ascertain and identify ways mitigating them area.
 Study Design: Descriptive research design.
 Place Duration Study: was conducted Gambia between June August, 2020.
 Methodology: included all male female within ages 18-75 years villages that constit...
The purpose of this study was to examine the role of loneliness in the tendency to use social media among senior high school students in Tehran. The research method was survey. The statistical population of the study was comprised of all secondary school students in Tehran and the sample size was 384 according to Cochran’s formula. The sample was drawn based on multi-stage cluster sampling meth...
Alongside with the visual symbols of status and identity in the late modernity, the bodies have become converting to express symbol of identity and personality. Body care and supervision provide this opportunity for individuals to keep a clear narrative of their identity and put it watching others. This research has been done with the aim of investigating the relationship between body managemen...
The present research study intended to investigate the impact of the Role of Purchase Rewards to Companies’ Customers, as a Purchase Intention Mediator, on the Profitability of SMEs in Sanandaj City in 2014. Three different types of variables, including Independent, Dependent and Intervening variables, are specified in this study; Purchase Rewards to Customers is the Independent Variable, Profi...
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