By Peter Vinkler
Aimed toward lecturers, educational managers and directors, execs in scientometrics, details scientists and technology coverage makers in any respect degrees. This e-book studies the rules, equipment and signs of scientometric evaluate of data tactics in technological know-how and evaluation of the e-book job of people, groups, institutes and international locations. It presents scientists, technological know-how officials, librarians and scholars with simple and complex wisdom on evaluative scientometrics. particularly nice rigidity is laid at the equipment appropriate in perform and at the explanation of quantitative features of impression of medical guides measured by way of quotation indicators.
- Written by means of a hugely a professional and well-respected scientist within the field
- Provides functional and lifelike quantitative tools for comparing clinical ebook actions of people, groups, nations and journals
- Gives standardized descriptions and type of the most different types of evaluative scientometrics
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Extra resources for The Evaluation of Research by Scientometric Indicators
Sample text
The author concluded that the increasing values of the GF of journals referenced by JCR from 1986 to 1995 are due to the fast increase in the number of references. According to Persons et al. (2004) the relative increase in references, authors and publications was about 90, 60 and 30%, respectively, between 1980 and 1998. 920). This result may indicate that the increase in references could be attributed, at least partly, to the increase in the number of authors per paper. 12) we may calculate the ratio of the CC values of two fields (A and B): CCA rA i RPGA = .
4 shows data for the total number of papers referenced by Chemical Abstracts in four different periods. 5626 for the periods selected. 529 RPG(2) SD, standard deviation of RPG(2) values. Number of RPG(2) data: 29 in each subfield. 301 t, number of years calculated; SD, standard deviation. *Except for the years 1939–45. Concluding remarks Highly sophisticated functions can be used to describe the growth of scientific information; in my opinion, however, MAPR or RPG express precisely the dynamics of scientific development.
The (Pd/P) ratio represents a part-set of papers within the total. It follows that the RPR index is a distribution (or contribution) index (see Chapter 3). 1) where P is the total number of papers in a journal, Pu is the number of papers that remained uncited and Pd is the number of papers cited at least once. The concept of the Impact Factor (IF) suggested by Garfield and Sher (1963) and Garfield (1979) is quite different. The IF relates elements of two sets with different units [(citation) and (paper)].