نتایج جستجو برای: based on random situation sampling

تعداد نتایج: 9317947  

Journal: :Memoirs of the Faculty of Science, Kyushu University. Series A, Mathematics 1972

Increasing work and organizational pressures cause a stressful situation and burnout among human resources. The objective of this research is to investigate the role of personality traits in burnout formation. Research methodology includes both descriptive and correlation analysis based on structural equations modeling. Research population consists of 186 employees of the National Iranian ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1399

this study aimed to investigate the effects of listening strategy training on iranian efl learners listening comprehension and use of such strategies. this work, employing an experimental methodology, was conducted among 60 adult efl learners from a language institute in isfahan, iran, as participants. the participants, who were selected based on the results of a placement test, were assigned t...

پایان نامه :موسسه آموزش عالی غیردولتی رودکی تنکابن - دانشکده ادبیات و علوم انسانی 1394

this study was conducted to investigate the effect of favorite-text on iranian intermediate efl learners’ vocabulary development. sixty learners from nour-al-mahdi english institute participated in the present study. having been homogenized by oxford placement test (opt), they were randomly assigned into two groups of 30, control and experimental. then both groups sat for a pre-test which was a...

Journal: :Journal of Computer and System Sciences 1996

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک 1388

the world wide web becomes very popular recently and plays an influential role in english learning. by burgeoning role of source-based writing as partial fulfillment of tefl courses and vast use of the internet, lack of empirical studies to explore these areas is obvious. this study aimed to explore the effect of the amount of familiarity with the web (internet literacy) on junior english stude...

Journal: :روانشناسی سلامت 0
حسین ضرغامی دکتری جمعیت شناسی ، دانشگاه تهران ، ایران. حسین محمودیان دانشیار جمعیت شناسی ، دانشگاه تهران، ایران.

objective: : loneliness is one of the fundamental problems of old people that many factors are involved in the development or aggravation of that. any factor, such as migration, that reduces the kinship network, can be considered as effective factor. there are many studies about migration as a common phenomenon in most rural of iran, but few answered to this question: what is the effects of mig...

1999
Carlos Domingo Ricard Gavalda Osamu Watanabe

Scalability is a key requirement for any KDD and data mining algorithm, and one of the biggest research challenges is to develop methods that allow to use large amounts of data. One possible approach for dealing with huge amounts of data is to take a random sample and do data mining on it, since for many data mining applications approximate answers are acceptable. However, as argued by several ...

1999
Carlos Domingo Ricard Gavalda Osamu Watanabe

Scalability is a key requirement for any KDD and data mining algorithm, and one of the biggest research challenges is to develop methods that allow to use large amounts of data. One possible approach for dealing with huge amounts of data is to take a random sample and do data mining on it, since for many data mining applications approximate answers are acceptable. However, as argued by several ...

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