نتایج جستجو برای: 535 people the sample size was determined using cochran formula

تعداد نتایج: 16709078  

The purpose of this paper is to investigate the social, economic, and environmental effects of drought from the viewpoint of villagers, with the structural equation modeling approach. The purpose of this study is of applied research type, and is essentially a descriptive-correlation research. The population of the study, 1762 heads of households and sample size were determined according to Coch...

 The aim of this study was to design a leisure time model for students across the country. The research method was mixed (qualitative-quantitative) and was conducted in the field. Qualitative snowball sampling was performed. The statistical population consisted of professors of sport management and sociology who had educational and research activities in the field of leisure time. According to ...

پایان نامه :0 1374

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم طبیعی 1391

in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
آزاده خدابخشی دانشجوی کارشناسی ارشد آموزش کشاورزی، دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران حمید موحد محمدی دانشیار دانشکدة اقتصاد و توسعة کشاورزی دانشگاه تهران حسین شعبانعلی فمی دانشیار دانشکدة اقتصاد و توسعة کشاورزی دانشگاه تهران

the main objective of this descriptive- suvey research was to analyze components of quality of e-learning in the iranian agricultural higher education. the statistical population of the study consisted of the graduate students of iranian agricultural colleges (n=8541), out of which 286 people determined as sample using cochran formula and proportionate stratified sampling technique. the data we...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1391

why some learners are willing to communicate in english, concurrently others are not, has been an intensive investigation in l2 education. willingness to communicate (wtc) proposed as initiating to communicate while given a choice has recently played a crucial role in l2 learning. it was hypothesized that wtc would be associated with language learning orientations (llos) as well as social suppo...

Peoples’ participation in watershed development projects, in addition to reducing operating costs, can lead to more effective project implementation. Various factors causes the lack of public participation in watershed development projects. The purpose of this study was to identify, classify and prioritize these factors based on local people as well as experts viewpoints in Niarij watershed of ...

The purpose of this study is to investigate the status of urban viability indicators in Shahrekord, based on the position of urban management. Research in terms of purpose (type of use) is an applied research. The method used in this research is a descriptive-analytical method. The statistical population of this study is Shahrekord residents, and the statistical area of ​​the whole area is loca...

Organic agriculture (OA) includes a comprehensive production management system that is considered as one of the strategies to reduce negative impacts of industrial agriculture in many countries. This research was identifying factors affecting the development of OA in Ardabil province. A descriptive– correlation survey approach was used in this study. Participants were agricultural specialists o...

The objective of this study was to examine the evaluation of training courses applied in succession planning in organizations using the CIPP model. This was an applied research in terms of purpose and descriptive-survey in terms of data gathering type. Statistical population of the study included 100 employees of Chamber of Commerce, of which a sample size of 80 people were selected using the r...

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