Journal topic citation potential and between-field comparisons: The topic normalized impact factor |
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| Institution: | 1. Instituto de Turismo y Desarrollo Económico Sostenible Tides, Universidad de Las Palmas de Gran Canaria, Spain;2. Departamento de Estadística, Investigación Operativa y Computación, Universidad de La Laguna, Spain;1. CNRS (LAMSADE, UMR 7243) & Université Paris Dauphine, Place du Maréchal de Lattre de Tassigny, F-75775 Paris Cedex 16, France;2. Ghent University, Department of Data Analysis, H. Dunantlaan, 1, B-9000 Gent, Belgium;1. School of Information Management, Wuhan University, Wuhan 430072, China;2. School of Economics and Management, Beijing University of Technology, Beijing 100024, China;1. REQUIMTE/Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal;2. Departamento Engenharia Industrial e Gestão, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal;3. INESC-TEC, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal |
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| Abstract: | The journal impact factor is not comparable among fields of science and social science because of systematic differences in publication and citation behavior across disciplines. In this work, a source normalization of the journal impact factor is proposed. We use the aggregate impact factor of the citing journals as a measure of the citation potential in the journal topic, and we employ this citation potential in the normalization of the journal impact factor to make it comparable between scientific fields. An empirical application comparing some impact indicators with our topic normalized impact factor in a set of 224 journals from four different fields shows that our normalization, using the citation potential in the journal topic, reduces the between-group variance with respect to the within-group variance in a higher proportion than the rest of indicators analyzed. The effect of journal self-citations over the normalization process is also studied. |
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| Keywords: | Journal assessment Journal metric Bibliometric indicator Citation analysis Journal impact factor Source normalization Citation potential |
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