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arXiv is a free distribution service and an open-access archive for 2,303,325 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.
arXiv is a free distribution service and an open-access archive for 2,299,453 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.
open-access archive for 2,273,366 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.
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This paper presents a review of altmetrics or alternative metrics. This concept is defined as the creation and study of new indicators for analysing scientific and academic research activity based onWeb 2.0. The underlying premise is that variables such as mentions in blogs, numberof tweets or saves ofan articleby researchersin reference management systems, may be a valid measure of the use and impactof scientific publications. In this respect,these measuresare becoming particularly relevant, being at the centre of debate within the bibliometric community. Firstly,an explanation is given of the main platforms and indicators for this type of measurement. Subsequently,a study is undertaken of a selection of papers from the field of communication, comparing the number of citations received withtheir 2.0 indicators.The results show that the most cited articles within recent years also have significantly higher altmetric indicators. Next follows a review of the principal empirical studies undertaken, centering on the correlations between bibliometric and alternative indicators. To conclude, the main limitations of altmetrics are highlighted,alongside a reflective consideration of the role altmetrics may play in capturing the impactof research in Web 2.0 platforms.
The purposes of this article are to position mixed methods research (mixed research is a synonym) as the natura! complement to tradi- tional qualitative and quantitative research, to present pragmatism as offering an attractive philosophical partner for mixed methods re- search, and to provide a framework for designing and conducting mixed methods research. In doing this, we briefly review the para- digm "wars" and incompatibility thesis, we show some commonali- ties between quantitative and qualitative research, we explain the tenets of pragmatism, we explain the fundamental principle of mixed research and how to apply it, we provide specific sets of designs for the two major types of mixed methods research (mixed-model de- signs and mixed-method designs), and, finally, we explain mixed meth- ods research as following (recursively) an eight-step process. A key feature of mixed methods research is its methodological pluralism or eclecticism, which frequently results in superior research (com- pared to monomethod research). Mixed methods research will be successful as more investigators study and help advance its concepts and as they regularly practice it.
The author traces how such a seemingly immutable idea as measurement proved so malleable when it collided with the subject matter of psychology. Philosophical and social influences are examined. This book traces how such a seemingly immutable idea as measurement proved so malleable when it collided with the subject matter of psychology. It locates the philosophical and social influences reshaping the concept and identifies a fundamental problem: are psychological attributes really quantitative?
Building on a number of Mathematica's standard features, including the Import function and DatabaseLink, Wolfram Research's corporate analysis team has developed a powerful, in-house computable data function to quickly generate statistics and create sophisticated visualizations to analyze the company's web traffic and other business data.