The Herrero-Villar approach to citation impact

Pedro Albarran (), Carmen Herrero, Javier Ruiz-Castillo and Antonio Villar

UC3M Working papers. Economics from Universidad Carlos III de Madrid. Departamento de Economía

Abstract: This paper focuses on the evaluation of research units in a scientific field in terms of size-independent indicators of citation impact when size is measured by the number of publications. There are well-known procedures in this context that evaluate each research unit based upon a partition of the field citations into a set of ordered categories, and an external weighting system that determines the relative importance of each category. These conventional procedures are seen to share a common additive structure. We introduce here a new ranking procedure –the HV procedure, after Herrero & Villar (2013)– and compare it within a common setting to a number of additive evaluation rules currently used in practice. Given a set of ordered categories, the HV procedure measures the performance of the different research units in terms of the relative probability of getting a greater citation impact. The HV method provides a complete, transitive and cardinal evaluation without recurring to any external weighting scheme. Using a large dataset of publications in 22 scientific fields assigned to 40 countries, we compare the performance of several additive evaluation rules –the Relative Citation Rate, four percentile-based ranking procedures, and two average-based high-impact indicators– and the corresponding HV procedures under the same set of ordered categories. Comparisons take into account re-rankings, and differences in the outcome variability measured by the coefficient of variation, the range, and the ratio between the maximum and minimum index values.

Date: 2016-12
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Journal Article: The Herrero-Villar approach to citation impact (2017)
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Persistent link: https://EconPapers.repec.org/RePEc:cte:werepe:23969

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