نتایج جستجو برای: 384 sample selected by cochrane formula

تعداد نتایج: 7392684  

Seyedeh Sarah Hadian Yaser Feizabadi,

Forests and rangelands are the most important natural ecosystems which provide many economic benefits to the society due to their biodiversity and ecological functionalities. Dashtenaz wildlife refuge, Sari, is a sylvan region, covering 55 ha of rangeland with abundant diversity, is refuge of an endangered species of deer called Dama mesopotamica. In this study, Contingent Valuation Method (CVM...

Ghaffaryfard , Mohammad, Movahedmanesh , Sadeghali , Sadeqi, Zainullah ,

The economic behaviors of a Muslim consumer is one of the most important social behaviors that affects his personal and social life. One of the most important forms of economic behaviors is consumption. In the consumption area, 7 crucial determinants have been extracted from religious literature. The statistical population is selected from Kabul city and the number of samples is determined by t...

Journal: :international journal of social sciences 0
batool aminjafari department of sociology, central tehran branch, islamic azad university, faculty member of islamic azad university, khomeini branch, isfahan, iran hossein aghajani department of sociology, central tehran branch, islamic azad university, tehran, iran ali hashemianfar department of social sciences, university of isfahan, iran

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 ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1392

the purpose of this study was to investigate the effect of task repetition on accuracy of iranian efl learners ’speaking ability. in order to achieve this purpose, a null hypothesis was developed: there is no statistically significant difference between accuracy speaking ability in iranian efl learners by use of task repetition. ; of course i should mention that, beside this null hypothesis, an...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
صالح حقیقت دانشجوی کارشناسی ارشد مدیریت کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران هوشنگ ایروانی استاد گروه مدیریت و توسعة کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران خلیل کلانتری استاد گروه مدیریت و توسعة کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران ابراهیم مهدوی دانشجوی کارشناسی ارشد توسعة کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران سیدعلیرضا قدیمی دانشجوی دکتری توسعة کشاورزی دانشگاه رازی کرمانشاه

dispersion and separated of agricultural lands are considered as the serious barriers of agriculture development. the smallest and distributed oflands are obstacle in the efficient use of water, land, labor, mechanization and other factors in agriculture production. the main purpose of this article is analyse the influenced factors of the rejection of land integration. the statistical populatio...

Journal: :Journal of Mathematical Analysis and Applications 2002

Journal: :Journal of Human Reproductive Sciences 2014

Getaneh Yenealem Ayene NEBYU ABEBE,

Abstract: This study was designed to assess the Women Entrepreneurs Failure Factors in the Case of Gojjam Zones. In particular the study investigated how Individual reason, Competition, General environment and corporate policy affect women entrepreneurs in small businesses. Therefore to understand and analyze business failure factors a case of Women Entrepreneurs in the case of Gojjam Zones, th...

Journal: :Pediatrics 2011
Radha Sadacharan Xena Grossman Emily Sanchez Anne Merewood

OBJECTIVE To describe trends in the proportion of US hospitals that distribute industry-sponsored formula sample packs between 2007 and 2010. METHODS This is a follow-up of a 2007 study. In 2007, we surveyed all 50 US states to determine the proportion of hospitals that distributed infant formula samples to new mothers. In 2010, we selected the 10 best-record and 10 worst-record states with r...

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