نتایج جستجو برای: 535 people the sample size was determined using cochran formula
تعداد نتایج: 16709078 فیلتر نتایج به سال:
food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...
writing as a productive skill requires practice in the basic sub-skills of vocabulary and grammar. in fact, grammar has been viewed as the core of programs in writing classes to help the students put the elements of sentence together and combine sentences of specific lengths to come up with an error-free work of art. conceptualizing l2 writing in this way introduces writing as a product and enc...
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...
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the current study aimed at investigating the relationship between motivation and test preparation strategies (tpss) used by iranian pre-university students in their preparation period for the university entrance exam (uee). due to the importance of uee in iran, this study also attempted to show its impact on these two important variables. to this end, 100 pre-university students in an iranian p...
employment has effective roles in socio-economic development and process job career is considered as one of important issue. also, job career is most important decisions that human decides over the life. overall, students are facing with two options for job career. first option is employed and second option is entrepreneurship. factors cognition that influencing on job career lead to better und...
Background: Procrastination is a common phenomenon among people as well as in the workplace and among employees in organizations who spend time with delays in completing some tasks and some have made this time their way of life. Method: This research is applied in terms of purpose and the research design is descriptive correlation. The statistical population is the staff of the Rural Cooperati...
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
بررسی رابطه بین یادگیری سازمانی و توانمندسازی مدیران و معاونین مدارس شهرستان میانه دکتر محمد اورکی1، دکتر هاشم نعمتی، گلسیما عزیزی* استادیار گروه علوم تربیتی ، دانشگاه پیام نور تهران جنوب استادیار گروه علوم تربیتی. ، دانشگاه پیام نور مشهد دانشجوی کارشناسی ارشد مدیریت آموزشی ، دانشگاه پیام نور تهران جنوب [email protected] میانه- دانشگاه پیام نور میانه مدیر آموزشی، 2226062 – 0423، ت...
in order to design and validate the social capital questionnaire for employees of physical education organization, the main research question was whether a social capital questionnaire designed by researchers had sufficient validity and reliability. the population of the research consisted of employees of the organization (n=700). 299 subjects were selected as the sample by systematic random sa...
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