نتایج جستجو برای: stratified random sampling method was used

تعداد نتایج: 5979659  

Journal: :journal of agricultural science and technology 2010
a. bakhshi jahromi gh. h. zamani

the locus of control is a construct reflecting beliefs about the control of behavior and life events. according to this perception, people are grouped into two main categories: an internal and external locus of control. the main purpose of this study was to investigate the relationship between wheat yield performance, locus of control and wheat growers’ (wg) characteristics. survey research met...

ژورنال: رویش روانشناسی 2019

The study aims was to examine the relationship between demographic factors and effective motivation of knowledge transfer and experience between Employees of Isfahan Oil Refining Company. It was used a survey-descriptive method in this research and the population under investigating includes all managers and employees of Isfahan Oil Refining Company. To determine the sample size, it was used th...

امینی راستابی, زهرا, رفاهی, ژاله, شریفی, علی اکبر,

Objectives: This study aimed to Examine psychometric properties of and geriatric depression scale. Methods & Materials: Method of This study is descriptive. Statistical population includes all aged over 60 years in the retirement centers of organizations and Nursing homes in shahrekord. 380 persons (113 females and 267 males) were selected through stratified random sampling method. In order ...

2009
MEGDOUDA OURBIH-TARI

This paper provides an updated review of Monte Carlo simulation. The use of random sampling, its consequences in simulation, the use of descriptive sampling, its advantages, its limits and its improvement upon the precision of simulation estimates: Refined descriptive sampling. This state of the art gives also an insight into other sampling procedures used in the literature, like Ranked set sam...

Journal: :Statistics 2012
Wenjun Li Edward J Stanek Julio M Singer

We extend the random permutation model to obtain the best linear unbiased estimator of a finite population mean accounting for auxiliary variables under simple random sampling without replacement (SRS) or stratified SRS. The proposed method provides a systematic design-based justification for well-known results involving common estimators derived under minimal assumptions that do not require sp...

Journal: :پژوهشنامه مبانی تعلیم و تربیت 0
اکرم مقدسی سید عباس زاده سید عباس زاده غنایی چمن آباد غنایی چمن آباد

the purpose of the research was to examine the relationship between educational administrators' brain quadrant dominance and the level of their performance effectiveness. by using stratified-random sampling method, 103 managers and 412 teachers were selected as the study sample; they were recruited from high schools in mashhad in 2008-2009 academic year. herrmann brain dominance instrument, wit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده علوم انسانی 1389

abstract this study aimed at analyzing a corpus of emails gathered from iranian students studying in england. the corpus contained 996 emails that were investigated by employing the framework of chen (2006) to find common patterns in the discourse of these emails. another aim of the study was to find how two request acts (want statements and query preparatory) were used in the emails. the...

2002
J.-P. Chanut B. Pelletier

INTRODUCTION The study of the distribution of any variable in marine environment generally begins by a sampling experiment. Usually, the collection of samples follows a procedure, often fixed in advance, that takes into account the general distribution of the water masses for a given region. However, much attention may be devoted to the actual structure of the water column present below the shi...

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