نتایج جستجو برای: using cochrans formula and simple random sampling
تعداد نتایج: 17420360 فیلتر نتایج به سال:
Background and purpose: Protecting healthcare workers on the front line of Coronavirus disease 2019 (COVID-19) is very important. The aim of this study was to investigate the incidence of COVID-19 in hospital staff and its relationship with influenza vaccine in 2020. Materials and methods: A descriptive-analytical study was performed in 4446 staff working in public hospitals in Mazandaran prov...
Entrepreneurship is very important for the development of a country. This study aims to determine how impact entrepreneurship education on entrepreneurial intentions and factors that influence in Agribusiness students at Syiah Kuala University. Respondents taken this amounted 77 respondents using Taro Yamane formula simple random sampling technique. The data has been obtained processed ordinal ...
purpose: to evaluate residual refractive errors after cataract surgery and its determinant factors at farabi eye hospital, tehran. methods: simple random sampling was done among cataract surgery scheduled patients over a 4 year period (2003-2006). exclusion criteria were uveitis, previous intraocular surgery and ocular trauma. after applying the exclusion criteria, 423 patients were studied. le...
The purpose of this research is to test and analyze the compliance MSME taxpayers in Karo Regency. total population study was 10,440 MSMEs recorded at Regency Cooperative, Employment Service from agriculture, industry, services tourism sectors. A sample 100 SMEs determined using Slovin size formula. sampling technique used simple purposive random technique. Data were analyzed descriptive statis...
The main purpose of the study was to investigate the effect of human resource management strategies on competitive advantage. In terms of applied purpose, the research was a correlational survey. The statistical population of the study was 1500 employees of the National Iranian Oil Company. 306 people were selected based on Cochran's formula as a statistical sample by simple random sampling met...
higher education system, as an investment in human resources, plays a key role in training people. it also plays a determinant role in different political, social, economic and cultural aspects of the society. therefore, ensuring the quality of performance in higher education to prevent the waste of human and financial resources along with possessing the ability to compete in the future, wherei...
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