نتایج جستجو برای: according to cochran formula
تعداد نتایج: 10634277 فیلتر نتایج به سال:
after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...
according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...
abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...
dendrimer synthesis strategies now provide virtual control of macromolecular nanostructures as a function of size and surface/interior functionality. these strategies involve the covalent assembly of hierarchical components reactive monomers , branch cells or dendron’s around atomic or molecular cores according to divergent/convergent dendrite branching principles.combinon of two or more dendri...
The aim of this study was to investigate economic, cultural, social and emotional problems in marriage of martyrs' children in Dehaghan and Shahreza and effects of absence of father in statistical population. Research method was based on menstruation and collection tool was questionnaire too. Population selected among 492 martyrs' children in Dehaghan and Shahreza. According to Cochran&...
home business is one of the best fields of women's economic activity and considered as an important strategy for job creation, particularly for rural women. nonetheless many barriers avoid addressing rural women to these businesses. the main purpose of this study was to analyze the most important barriers for trends of rural women and girls to home businesses. the statistical population of...
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...
The purpose of this study was to investigate the role of control source and risk perception in predicting the behavior of taxi drivers in Karaj. The research method was descriptive-correlation. The statistical population of this study was all 718 young taxi drivers in the city of Karaj. According to the Cochran formula at the level of 0.05, 250 young taxi drivers in Karaj were selected by avail...
The purpose of this study, the relationship between personality characteristics and resiliency with job satisfaction at the Razi University of Kermanshah. The study method descriptive- correlational. The statistical study population consisted of all employees were working in 1395 at Razi University in Kermanshah. According to Cochran formula using simple random sampling method, 150 of them wer...
this study aimed to investigate the relationship between job satisfaction and rganizational citizenship behavior and personality traits city staff lorestan. the research objective of the application and the method of data collection, descriptive, correlative to-be conducted in 1394. the study population of 500 municipal employees lorestan 217 employees were selected using cochran formula the se...
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