نتایج جستجو برای: selected through stratified sampling method

تعداد نتایج: 3185509  

Journal: :پژوهشنامه کتابداری و اطلاع رسانی 0
ایرج رداد حسن بهزادی زهره منجمی

purpose: the main aim of this study was to determine the cost-utility of the integrated systems in the iranian academic libraries. methodology: this applied research was conducted through a survey method. the statistical population consisted of 118 academic libraries among which 75 libraries were selected using stratified sampling method. the researcher-made questionnaire was distributed among ...

Journal: :مدیریت ورزشی 0
مرجان صفاری استادیار گروه تربیت بدنی و علوم ورزشی، دانشگاه علوم انسانی، دانشگاه تربیت مدرس، تهران، ایران محمد علی قره دانشیار دانشگاه پیام نور تهران، ایران

this study aimed to identify and rank the most important environmental factors for the popularity of recreational sports in iran. only those sensitive aspects of the environment to which recreational sports should react were considered in order to survive. this study was performed consecutively in two qualitative and quantitative phases by mixed heuristic method. for this purpose the experts of...

Journal: :journal of advances in medical education and professionalism 0
ali reza baneshi university of tehran, tehran, iran norouz ali karamdoust university of tehran, tehran, iran rezvan hakimzadeh university of tehran, tehran, iran

introduction: the present study aimed to investigate the psychometric properties of grasha-riechmann student learning styles scale. method: the participants included 1039 students (421 students in human and 618 students in technical sciences), selected through the stratified sampling method from tehran university. they answered the grasha-riechmann student learning style scale and the data was ...

2006
Hongsuk Yang

We look at the benefits of using a kind of quasi-random numbers to obtain more accurate results for a given number of simulation runs. We explore a sampling method with enhanced independence in multidimensional simulations by combining the ideas of stratified sampling and Latin Hypercube sampling. We test the new sampling method by comparing it with traditional stratified sampling and Latin Hyp...

Journal: :The Annals of Mathematical Statistics 1942

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده اقتصاد و علوم اجتماعی 1390

abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
یوسف حجازی استاد دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی ، دانشگاه تهران مهدیه السادات میر ترابی دانش آموخته کارشناسی ارشد دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران سید محمود حسینی دانشیار دانشکده اقتصاد و توسعه کشاورزی ، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

the main purpose followed in this study was to analyze the factors influencing on rural women’s participation in post harvest activities in asara, karaj. the statistical population included all the rural women who inhabit asara and are over 15 years of age (n= 2810). a sample of 110 rural women was selected through stratified random sampling method. a questionnaire was designed to collect data....

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