نتایج جستجو برای: number of authors
تعداد نتایج: 21183471 فیلتر نتایج به سال:
the indexed iranian journals in isi and pubmed at the end of 2012 with known impact factor (if) were evaluated with regard to the number of articles published in 2010-2012, the number of citations by authors from inside and outside iran, their if as well as their ranking order among all other journals in their specialized categories. there were among 130 english journals, 21 indexed with known ...
collaboration is a central aspect of research, with variable impact on research output and quality. its assessment is commonly based on citation count, but this is an inadequate measure in biomedical research. the aim of this preliminary study is to determine the impact of collaboration at three levels on the quality of dental therapy research using a valid and reliable instrument. ninety-nine ...
Introduction: Systematic review is an approach with precise identification of all the relevant studies leading to more objective and scientific conclusions. Unless the structure of the studies comply with internationally accepted standards, they cannot effectively be responsive to objectives of the studies. The purpose of this study is to evaluate the compliance ration of Iranian Systematic Rev...
abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...
Background and Aim: This research studies the effective participation and scientific collaboration in Persian Wikipedia, from 2003-2012. Method: The library method has been used. Also, considering the objectives and the nature of subject, the research method is a descriptive-applied and during its implementation scientometric technique has been used. Excel and SPSS softwares have been used for...
the paper explores the research productivity of the journal vikalpa for the period of 2003-2012, which is indexed in the ebsco on-line database. various quality aspects of the 437 research articles published in the period were studied. the study elaborates on various aspects of the journal such as year wise distribution of the articles, growth rate of articles, authorship pattern, and degree...
there are evidences of the relationship between collaboration rate and quality of articles. the more the number of authors, the more qualified the article. study of the collaboration rate among researchers is essential for strategic planning and research policy in major. the main objective of this research is to determine the authors' collaboration rate in the articles of scientometrics journal...
introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...
Purpose: The aim of present research is to determine the level of co-authorship among authors participating in Iranian LIS specialized conferences during 2004-2007. Methodology: Scientometry is used in this study and it is descriptive. The population under study consisted of papers presented in Iranian LIS specialized conferences during 2004-2007. Data collection was initially carried out manu...
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