نتایج جستجو برای: sample and independent t

تعداد نتایج: 17003491  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

در این پژوهش منشاء خزندگان را مورد بررسی قرار داده، خانواده های مارها را در ایران معرفی نموده و ویژگی های آنها را ذکر کرده ایم، خانواده colubridae را از نظر فیلوژنی، رده بندی و همچنین جنس های آن را، مرور کرده ایم. جنس eirenis jan, 1868 که هدف اصلی پژوهش حاضر است در ایران دارای هشت گونه می باشد، e. collaris (menetries, 1832) ، e. coronella (schlegel, 1837) ،e.decemlineatus(dumeril,bibron and dum...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مدیریت و حسابداری 1391

در جهان امروز و در شرایط رقابتی بازار، کیفیت محصول و بهره وری به عنوان دو عامل اساسی و مهم در حفظ و بقای موسسات حرف اول را زده و آنهایی که از بهره وری و کیفیت بالاتری برخوردار هستند در بازار حضور داشته و ماندگار خواهند ماند. از این رو اطلاع مداوم از وضعیت بازار و کیفیت و کمیت محصولات رقبا و همچنین سیستم ها و روش های انجام کار آنها برای هر موسسه و شرکت رقیب ضروری و اجتناب ناپذیر است تا ضمن اینکه...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده ادبیات و زبانهای خارجی 1390

abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...

Farshd Behfar, Mehrdad Hosseini shakib,

The final goal of strategic management is to implement strategic plans, Therefore the alignment between corporate strategy and functional strategy is considerable. This study investigates the degree of alignment between HR strategy and corporate strategy of the national gas company. Data collection was conducted by questionnaire by 51 questions. The content validity of questionnaire was assesse...

Journal: :Journal of cross-cultural gerontology 1997
C S Kim K O Rhee

Guided by the assumption that the preferences for a particular type of living arrangement are influenced by values of privacy and the level of needs/resources among the elderly, this study investigates how the socioeconomic and demographic characteristics of the Korean elderly are associated with their preferences for independent living over coresidence with their children. A logit model analys...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1393

abstract target-oriented approaches to translation studies are regarded as recent theories of translation. one of the most famous theories among these approaches is descriptive translation studies presented by toury (1995). this theory gives a new dimension to translation studies and gives importance to the descriptive rather than prescriptive studies. it also identifies three sets of transla...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1392

in this thesis,spin dependend transport and electron transport through of ng/sg(graphene/ superconductor graphen) are studied in the junction of ng/fgt/sg. due to andreev reflection conductance increases in the presence of superconductor graphene.also, by applying a voltage gate on a superconductor, fermi level shifts and the conductance is independent of ferromagnatic substrate. also, the cond...

Journal: :The ocular surface 2017
Gary D Novack Penny Asbell Stefano Barabino Michael V W Bergamini Joseph B Ciolino Gary N Foulks Michael Goldstein Michael A Lemp Stefan Schrader Craig Woods Fiona Stapleton

The development of novel therapies for Dry Eye Disease (DED) is formidable, and relatively few treatments evaluated have been approved for marketing. In this report, the Subcommittee reviewed challenges in designing and conducting quality trials, with special reference to issues in trials in patients with DED and present the regulatory perspective on DED therapies. The Subcommittee reviewed the...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید