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The evaluation of scientific production: Towards a neutral impact factor

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  • José María Gómez-Sancho

    (Universidad de Zaragoza)

  • María Jesús Mancebón-Torrubia

    (Universidad de Zaragoza)

Abstract

Measurement of research activity still remains a controversial question. The use of the impact factor from the Institute for Scientific Information (ISI) is quite widespread nowadays to carry out evaluations of all kinds; however, the calculation formula employed by ISI in order to construct its impact factors biases the results in favour of knowledge fields which are better represented in the sample, cite more in average and whose citations are concentrated in the early years of the articles. In the present work, we put forward a theoretical proposal regarding how aggregated normalization should be carried out with these biases, which allows comparing scientific production between fields, institutions and/or authors in a neutral manner. The technical complexity of such work, together with data limitations, lead us to propose some adjustments on the impact factor proposed by ISI which — although they do not completely solve the problem — reduce it and allow glimpsing the path towards more neutral evaluations. The proposal is empirically applied to three analysis levels: single journals, knowledge fields and the set of journals from the Journal Citation Report.

Suggested Citation

  • José María Gómez-Sancho & María Jesús Mancebón-Torrubia, 2009. "The evaluation of scientific production: Towards a neutral impact factor," Scientometrics, Springer;Akadémiai Kiadó, vol. 81(2), pages 435-458, November.
    • Handle: RePEc:spr:scient:v:81:y:2009:i:2:d:10.1007_s11192-008-2137-1
    DOI: 10.1007/s11192-008-2137-1
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    References listed on IDEAS

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    1. Loet Leydesdorff, 2008. "Caveats for the use of citation indicators in research and journal evaluations," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 59(2), pages 278-287, January.
    2. Bar-Ilan, Judit, 2008. "Informetrics at the beginning of the 21st century—A review," Journal of Informetrics, Elsevier, vol. 2(1), pages 1-52.
    3. Éric Archambault & Étienne Vignola-Gagné & Grégoire Côté & Vincent Larivière & Yves Gingrasb, 2006. "Benchmarking scientific output in the social sciences and humanities: The limits of existing databases," Scientometrics, Springer;Akadémiai Kiadó, vol. 68(3), pages 329-342, September.
    4. Thed N. Van Leeuwen & Henk F. Moed & Robert J. W. Tijssen & Martijn S. Visser & Anthony F. J. Van Raan, 2001. "Language biases in the coverage of the Science Citation Index and its consequencesfor international comparisons of national research performance," Scientometrics, Springer;Akadémiai Kiadó, vol. 51(1), pages 335-346, April.
    5. David Adam, 2002. "The counting house," Nature, Nature, vol. 415(6873), pages 726-729, February.
    6. Wolfgang Glänzel & Henk F. Moed, 2002. "Journal impact measures in bibliometric research," Scientometrics, Springer;Akadémiai Kiadó, vol. 53(2), pages 171-193, February.
    7. Péter Vinkler, 2002. "Subfield problems in applying the Garfield (Impact) Factors in practice," Scientometrics, Springer;Akadémiai Kiadó, vol. 53(2), pages 267-279, February.
    8. Dag W. Aksnes, 2006. "Citation rates and perceptions of scientific contribution," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 57(2), pages 169-185, January.
    9. Ronald N. Kostoff, 2002. "Citation analysis of research performer quality," Scientometrics, Springer;Akadémiai Kiadó, vol. 53(1), pages 49-71, January.
    10. H. F. Moed & Th. N. Leeuwen & J. Reedijk, 1999. "Towards appropriate indicators of journal impact," Scientometrics, Springer;Akadémiai Kiadó, vol. 46(3), pages 575-589, November.
    11. Ed J. Rinia & Thed. N. Van Leeuwen & Eppo E.W. Bruins & Hendrik G. Van Vuren & Anthony F.J. Van Raan, 2001. "Citation delay in interdisciplinary knowledge exchange," Scientometrics, Springer;Akadémiai Kiadó, vol. 51(1), pages 293-309, April.
    12. Michel Zitt & Suzy Ramanana-Rahary & Elise Bassecoulard, 2005. "Relativity of citation performance and excellence measures: From cross-field to cross-scale effects of field-normalisation," Scientometrics, Springer;Akadémiai Kiadó, vol. 63(2), pages 373-401, April.
    13. Ronald Rousseau, 2005. "Median and percentile impact factors: A set of new indicators," Scientometrics, Springer;Akadémiai Kiadó, vol. 63(3), pages 431-441, June.
    14. Michel Zitt & Henry Small, 2008. "Modifying the journal impact factor by fractional citation weighting: The audience factor," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 59(11), pages 1856-1860, September.
    15. Linda Butler & Martijn S. Visser, 2006. "Extending citation analysis to non-source items," Scientometrics, Springer;Akadémiai Kiadó, vol. 66(2), pages 327-343, February.
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    2. Juan Miguel Campanario, 2011. "Empirical study of journal impact factors obtained using the classical two-year citation window versus a five-year citation window," Scientometrics, Springer;Akadémiai Kiadó, vol. 87(1), pages 189-204, April.

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