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Does it Matter Which Citation Tool is Used to Compare the H-Index of a Group of Highly Cited Researchers?

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Author Info

  • Hadi Farhadi

    ()
    (UKM - Universiti Kebangsaan Malaysia - School of Psychology and Human Development, Faculty of Social Sciences and Humanities, Universiti Kebangsaan Malaysia (UKM), Malaysia)

  • Hadi Salehi

    ()
    (IAU, Najafabad - Islamic Azad University, Najafabad - Faculty of Literature and Humanities, Najafabad Branch, Islamic Azad University, Najafabad, Isfahan, Iran)

  • Melor Md Yunus

    ()
    (UKM - Universiti Kebangsaan Malaysia - Faculty Of Education, Universiti Kebangsaan Malaysia (ukm), Malaysia)

  • Aghaei Chadegani Arezoo

    ()
    (IAU, Mobarakeh - Islamic Azad University, Mobarakeh - Department of Accounting, Mobarakeh Branch, Islamic Azad University, Mobarakeh, Isfahan, Iran)

  • Maryam Farhadi

    ()
    (IAU, Mobarakeh - Islamic Azad University, Mobarakeh - Department of Accounting, Mobarakeh Branch, Islamic Azad University, Mobarakeh, Isfahan, Iran)

  • Masood Fooladi

    ()
    (IAU, Mobarakeh - Islamic Azad University, Mobarakeh - Department of Accounting, Mobarakeh Branch)

  • Nader Ale Ebrahim

    ()
    (UM - University of Malaya - Department of Engineering Design and Manufacture, Faculty of Engineering, University of Malaya)

Abstract

h-index retrieved by citation indexes (Scopus, Google scholar, and Web of Science) is used to measure the scientific performance and the research impact studies based on the number of publications and citations of a scientist. It also is easily available and may be used for performance measures of scientists, and for recruitment decisions. The aim of this study is to investigate the difference between the outputs and results from these three citation databases namely Scopus, Google Scholar, and Web of Science based upon the h-index of a group of highly cited researchers (Nobel Prize winner scientist). The purposive sampling method was adopted to collect the required data. The results showed that there is a significant difference in the h-index between three citation indexes of Scopus, Google scholar, and Web of Science; the Google scholar h-index was more than the h-index in two other databases. It was also concluded that there is a significant positive relationship between h-indices based on Google scholar and Scopus. The citation indexes of Scopus, Google scholar, and Web of Science may be useful for evaluating h-index of scientists but they have some limitations as well.

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Bibliographic Info

Paper provided by HAL in its series Post-Print with number hal-00830415.

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Date of creation: 2013
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Publication status: Published, Australian Journal of Basic and Applied Sciences, 2013, 7, 4, 198-202
Handle: RePEc:hal:journl:hal-00830415

Note: View the original document on HAL open archive server: http://hal.archives-ouvertes.fr/hal-00830415
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Web page: http://hal.archives-ouvertes.fr/

Related research

Keywords: h-index; Scopus; Google Scholar; Web of Science; Nobel Prize; Physics; Chemistry; Economic Sciences.;

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