نتایج جستجو برای: 40 members has selected by random sampling data after gathering

تعداد نتایج: 9627279  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده دامپزشکی 1391

after test and review results and analysis of farm data, the following results were obtained. the review examined farms was done and the results obtained in this study was to determine the effectiveness of vaccines hatchpak avinew (frozen) and hatchpak ib h120 with spray in broilers a day in factories incubation and at least,they can be as vaccines avinew and bioral h120 ability to create saf...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
محمد مختار نیا استادیار گروه ترویج و آموزش کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران احمد رضوانفر استاد گروه ترویج و آموزش کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران مهتاب پور آتشی دانشجوی دکتری گروه ترویج و آموزش کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران

the purpose of this study was to investigate the achievement motivation of faculty members according to their job satisfaction. a descriptive correlational design was employed for the research with data collected using questionnaire. the statistical population of the study included faculty members of university college of agriculture and natural resources, university of tehran from among whom a...

تیمورنژاد, کاوه, رحیمیان, حمید, طاهری, مرتضی,

Human capital is one of the most important resources of an organization. If they are trained correctly and become capable, they can promote the organization and enhance its performance. Therefore, this research investigates the pathology of training courses aiming to present qualitative development strategies for urban economy and financial experts in Tehran Municipality. The research method is...

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....

2006
Loukas Arvanitis

Sampling is the process of collecting, analysing, and interpreting data in order to test hypotheses and provide needed information for intelligent decisions. Sampling is an attractive alternative to complete enumeration. Instead of measuring or recording all members of a population of interest, one concentrates on a representative proportion, objectively selected, to estimate desired characteri...

2013
Mohammad Feizi

The main purposes of this study were to investigate the relationship between Individual’s stressor factors and job performance. The population of this study is middle managers of Haft Tapeh SugarCane Company. We determined the amount of the sample size with the used of Cochran sampling method which the statistical sample is 34 of these employees which have been selected through the simple rando...

Journal: :تحقیقات نظام سلامت 0
زهرا سهرابی دانشجوی دکتری، گروه بهداشت باروری، دانشکده پرستاری و مامایی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران نسرین سهرابی دانشجوی دکتری، گروه ژنتیک پزشکی، دانشکده پزشکی، دانشگاه علوم پزشکی تهران، تهران، ایران مژگان هاشم زاده مربی، گروه بهداشت مادر و کودک، دانشکده پرستاری و مامایی، دانشگاه علوم پزشکی تهران، تهران، ایران عباس مهران مربی، گروه آمار زیستی، دانشکده پرستاری و مامایی، دانشگاه علوم پزشکی تهران، تهران، ایران ماندانا میرمحمد علی ئی مربی، گروه بهداشت مادر و کودک، دانشکده پرستاری و مامایی، دانشگاه علوم پزشکی تهران، تهران، ایران

background : due to the recognized benefits of breastfeeding, health policies have been based on the promotion of breastfeeding and it seems that one suitable way to promote breastfeeding is electronic learning. in this survey, the impact of a breastfeeding electronic education package on mothers’ knowledge of breastfeeding was evaluated. methods: this quasi-experimental and single blind study ...

Journal: :international journal of agricultural management and development 2015
marzieh panahzadeh parikhani fatemeh razzaghi borkhani hossein shabanali fami naser motiee abotaleb hosseinpoor

the main purpose of this study was to investigate the major barriers to application of good agricultural practices (gaps) technologies in sustainability of livestock by ranchers of meshkinshahr. a sample of 120 farmers was selected by using proportional random sampling method. data were collected by means of a questionnaire. validity of questionnaire was determined through agricultural jihad ex...

ژورنال: مدیریت شهری 2017
Azar, Adel , Damghanian, Hossien , koosheshtabaar, Mohsen , Rastegar, Abbas Ali ,

The effects happiness has in the work environment for increasing the effectiveness and efficiency of the employees necessitate the studying and investigating of the concept of happiness in various organizations. Therefore, the current study tries to propose and explain a happiness model in the organization based on national culture. This study has been carried out using a combinatory method and...

ژورنال: یافته 2009
بدری زاده, افسانه , جاریانی, مژگان , ساکی, ماندانا , صفا, میترا , فرهادی, علی , قاسمی, فاطمه , کرباسی, الهام ,

Background: Social damage is one of the problems which destroys the active manpower and young population in the country and also prevents social development. Family is the first environment in which social ground for the child is provided.Any dispute, controversy or inferiority complex in the family may lead to wrong doings The present study aims at the effective family and personality facto...

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