Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]
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Regularly the Institute of Scientific Information publishes the impact factor (IF) that plays an increasing role when the scientific quality of scientific performances of journals, single publications, scientists, and research groups have to be evaluated in order to support them. ⋯ Evaluation of scientific performances by IF is to be restricted to journals and large research groups. Fairness demands comparisons to homogeneous journals with respect to confounders such as language. Principally, no journal should be excluded to obtain an IF if it fulfills the minimum criteria of an internationally communicating science. For this purpose they have to provide a title, key words, and an abstract in English, a peer review system etc. Often journals are the centre of science cultures that are able to generate research of highest levels. The users can contribute to increase the IF of "their" journal and to care for the valid application of this indicator.