نتایج جستجو برای: 384 sample selected by cochrane formula
تعداد نتایج: 7392684 فیلتر نتایج به سال:
BACKGROUND Usually the researchers performing meta-analysis of continuous outcomes from clinical trials need their mean value and the variance (or standard deviation) in order to pool data. However, sometimes the published reports of clinical trials only report the median, range and the size of the trial. METHODS In this article we use simple and elementary inequalities and approximations in ...
the purpose of this study was the relationship between problem – solvi ability with fdi cognitive style of students.the research method was correlation method. for data analysis pearson test was used. statistical society in this research was all the students of alligoodarz city in 1391-92 year.to sampling of statiscal population was used sampling multi-stage random the size of sample selected 2...
This article examines the relationship existing between employee welfare and job satisfaction among non-academic staff of universities in Ekiti State. Its specific objectives are to examine housing facilities identify areas need focus on for their employees. The study is a correlational one as it seeks relationships variables. As result, only Pearson’s Correlation Coefficient was used alongside...
the purpose of this study was to identify factors affecting the competitiveness of tourism destinations. The present study is of applied purpose and of descriptive-analytical method. The required data for the study were collected in two forms: library and field (questionnaire). The statistical population of the study consisted of incoming tourists to Ardebil city. Due to the lack of accurate st...
Introduction: In a changing environment and flexible condition, organizational leadership has a crucial role. The present researchtried to determine the relationship between transformational leadership and employees` job performance in Farabi Hospital. Methods: This is a descriptive and correlational study. Fifty seven of managers were selected via census sampling and 216 subordinates of the...
چکیده هدف اصلی این پژوهش شناسایی الزامات نظام مدیریت کیفیت فراگیر در حوزه پژوهشی دانشگاه اصفهان بود. سوالهای پژوهش با توجه به مولفه های مدیریت کیفیت (تعهد مدیران، بهبود مستمر فرایندها ، مشتری محوری ، منابع انسانی ، مدیریت اطلاعات ، زیرساختهای کیفیت ، استفاده از نتایج ، انعطاف پذیری، مشارکت در فعالیتهای پژوهشی، ایجاد فرهنگ کیفیت و تناسب ساختارهای سازمانی) که بر اساس مطالعه استانداردهای بین المل...
the aim of the present study was to determine the difference of information resources used by elite and sub–elite athletes when self–evaluating their performance. the statistical population included 170 elite and sub-elite athletes in sanandaj city and 120 participants were randomly selected as the sample of the study based on krejcie and morgan formula. to collect the data, wayment (2002) self...
in the present study, through the application of self-determination theory the impact of work climate and social network size on the volunteers motivation were investigated. research type of this study is applied and research method type is descriptive. in this study active volunteers of tehran red crescent society were selected as statistical population .concerning the population of studied ce...
the main purpose of this study was to analyze of communicative factors affecting in application of sustainable rice farming practices among paddy farmers of mazandaran province. the statistical population of consisted of paddy farmers of mazandaran province (n= 208839). according to cochran formula, a sample of 240 farmers was selected through cluster sampling method. to collect data, a questio...
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