نتایج جستجو برای: using cochran's formula
تعداد نتایج: 3451729 فیلتر نتایج به سال:
This study examined the effect of ethicalcodes on customer service delivery selected quoted deposit money banks in Lagos state, Nigeria. Cross-sectional survey research design was adopted study. The population 38,003 staff and 17,780 corporate customers eight State, A sample size 494 for were determined using Cochrans formula. Stratified proportionate sampling technique Data collected a structu...
US Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Lab, 626 Cochrans Mill Road, Pittsburgh, PA 15236, USA. E-mail: [email protected]; Fax: þ1 412-386-4917; Tel: þ1 412-386-6828 US Department of Health and Human Services, Public Health Service, Centers for Disease Con...
Background: Medical science is perceived as a stressful educational career, and medical students experience monstrous stress during their undergraduate studies internships because of its depth competitiveness. Prolonged can cause health problems, hamper academic achievements, affect patient care. Objectives: The present study aimed to assess the prevalence association with resilience, well copi...
this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...
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abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...
Infant formula has a fatty acid composition that meets the needs of the neonates for unsaturated fatty acids.These fatty acids are of major importance during this period of life in which the brain and retina are developing, and will therefore have an influence upon visual acuity and learning abilities. Oxygen reacts readily with unsaturated fatty acids, so that every time these compounds are ha...
Infant formula has a fatty acid composition that meets the needs of the neonates for unsaturated fatty acids.These fatty acids are of major importance during this period of life in which the brain and retina are developing, and will therefore have an influence upon visual acuity and learning abilities. Oxygen reacts readily with unsaturated fatty acids, so that every time these compounds are ha...
Introduction: Orthodontic treatment has many clear benefits for reinforcement the function, esthetics, and self-respect in patients. However, as any treatment, there are risks complications associated with such it can cause gingivitis, enamel demineralization tooth decay. Supreme self-care brushing interdental cleaning using adjuncts besides regular professional must be strengthened. Comparing ...
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