نتایج جستجو برای: by using factor analysis

تعداد نتایج: 9958149  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1392

the purpose of this study was to investigate the effect of task repetition on accuracy of iranian efl learners ’speaking ability. in order to achieve this purpose, a null hypothesis was developed: there is no statistically significant difference between accuracy speaking ability in iranian efl learners by use of task repetition. ; of course i should mention that, beside this null hypothesis, an...

Introduction: The aim of Current research was to study the validity, reliability and factor structure of behavioral emotion regulation questionnaire in a sample of high school students.   Methods: Methodology of this study was survey and validation. A sample included of 508 high school students from Urmia city students were selected by multistage cluster sampling. To calculate convergent and ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

2003
Henry Kaiser Karl G Jöreskog

The basic idea of exploratory factor analysis is the following. For a given set of observed response variables one wants to find a set of latent factors, fewer in number than the observed variables. These factors are supposed to account for the intercorrelations of the response variables in the sense that when the factors are partialed out from the observed variables, there should no longer rem...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

abstract in a protocol analysis of second language writing from 20 adult english as a foreign language (efl) iranian students, this research observed how language-switching (l-s), i.e., first language use in l2 writing, was affected by l2 proficiency. switching interactively between first (l1) and second (l2) languages has been recognized as one of the salient characteristics of l2 writing....

Abdolrahim Asadollahi, Elham Makiabadi, Jeyran Ostovarfar, Mohammad Hossein Kaveh,

Background: The evidence suggests nutrition style as a key determinant of health. On the other hand, nutrition literacy is a key determinant of nutrition decisions and behaviors. This study aimed to develop and validate an inventory in order to predict nutrition literacy promoting behavior based on the theory of planned behavior (TPB) in the youth. Methods: In this cross-sectional study, 203 st...

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

target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...

Journal: :international journal of endocrinology and metabolism 0
adeleh bahar diabetes research centre, mazandaran university of medical sciences, ir iran firoozeh hosseini esfahani nutrition and endocrine research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, ir iran mohammad asghari jafarabadi medical education research center, department of statistics and epidemiology, faculty of health, tabriz university of medical sciences, ir iran yadollah mehrabi school of public health, shahid beheshti university of medical sciences, ir iran fereidoun azizi endocrine research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, p.o. box: 19395-4763, ir iran +98-2122432500, [email protected]; endocrine research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, p.o. box: 19395-4763, ir iran +98-2122432500, [email protected]

background the choice of what parameters are needed for the diagnosis of metabolic syndrome (mets) has been criticized due to the lack of an actual “gold standard” diagnostic test even in adults. this problem seems to be greater in children and adolescents. objectives stability assessment of factor structure underlying metabolic syndrome (mets) components from childhood to adolescence in a pane...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده زبانهای خارجی 1393

writing an academic article requires the researchers to provide support for their works by learning how to cite the works of others. various studies regarding the analysis of citation in m.a theses have been done, while little work has been done on comparison of citations among elt scopus journal articles, and so the dearth of research in this area demands for further investigation into citatio...

2013
Hanna Krasnova Nicole Eling Oleg Schneider Helena Wenninger Thomas Widjaja Peter Buxmann

Since Facebook has opened its platform to third-party developers, privacy concerns surrounding applications are mounting. By granting “permission” to an app request, users allow app providers to circumvent their privacy settings endangering their own privacy and that of their friends. Considering a rising use of Facebook apps and a paucity of research in this area, there is a pressing need to u...

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