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The impact factor ( IF) or journal impact factor ( JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science . As a journal-level metric, it is frequently used as a proxy ...
The h-index serves as an alternative to more traditional journal impact factor metrics in the evaluation of the impact of the work of a particular researcher. Because only the most highly cited articles contribute to the h -index, its determination is a simpler process.
The values for Nature journals lie well above the expected ca. 1:1 linear dependence because those journals contain a significant fraction of editorials. CiteScore was designed to compete with the two-year JCR impact factor, which is currently the most widely used journal metric. [7] [8] Their main differences are as follows: [9]
Author-level metrics are citation metrics that measure the bibliometric impact of individual authors, researchers, academics, and scholars. Many metrics have been developed that take into account varying numbers of factors (from only considering the total number of citations, to looking at their distribution across papers or journals using statistical or graph-theoretic principles).
According to the Journal Citation Reports, for its first year of publication, in 2009, the American Journal of Evaluation had an impact factor of 0.942. It reached 1.16 in 2011 [7] whereas in 201 the journal was ranking 33 out of 98 journals in the category "Social Sciences, Interdisciplinary" [8] with an impact factor of 0.965.
According to the World Bank's Independent Evaluation Group (IEG), impact evaluation is the systematic identification of the effects positive or negative, intended or not on individual households, institutions, and the environment caused by a given development activity such as a program or project. [24]
Impact Assess. Proj. Apprais. Impact Assessment and Project Appraisal is a scientific journal in the area of impact assessment, published by Taylor and Francis. The journal is associated with the organization International Association for Impact Assessment. [1] It is edited by Thomas Fischer from University of Liverpool.
Evaluation and Program Planning is a bimonthly peer-reviewed multidisciplinary social science journal covering program evaluation. It was established in 1974 by Jonathan A. Morell and Eugenie Walsh Flaherty and originally published by Pergamon Press. [1] It is currently published by Elsevier (which acquired Pergamon Press) and the editor-in ...