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      Research Performance Measures and the Moderating Role of Faculty Characteristics in Epidemiology

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          Abstract

          Several numeric measures have been proposed to evaluate the individual researchers’ scientific performance. Among these measures, h-index is the most common and well recognized measure of research productivity and impact in scientific communities. However, empirical investigations and recent inspections revealed some shortcomings and limitations of this measure. In order to complement these limitations, several variants have been proposed in which g-index and ar-index were among the most discussed measures. The aim of this study was to examine h-index, g-index and ar-index across Iranian epidemiologists to identify the moderating characteristics as well as the distribution of these measures in the field. Using Web of Science Database, a list of Iranian epidemiologists was searched and total number of articles, total citations, and citations per paper, h-index, scientific age, g-index and ar-index were extracted and calculated for any epidemiologist. Descriptive statistics and multivariate linear regression models were used to examine research performance measures of Iranian epidemiologists. According to our findings, research performance measures found to be statistically associated with scientific age and academic ranking of Iranian Epidemiologists. Gender differences were not relevant to research performance across different measures.

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          Which h-index? — A comparison of WoS, Scopus and Google Scholar

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            Does the h-index have predictive power?

            Bibliometric measures of individual scientific achievement are of particular interest if they can be used to predict future achievement. Here we report results of an empirical study of the predictive power of the h-index compared to other indicators. Our findings indicate that the h-index is better than other indicators considered (total citation count, citations per paper, and total paper count) in predicting future scientific achievement. We discuss reasons for the superiority of the h-index.
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              The state of h index research. Is the h index the ideal way to measure research performance?

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                Author and article information

                Journal
                Glob J Health Sci
                Glob J Health Sci
                Global Journal of Health Science
                Canadian Center of Science and Education (Canada )
                1916-9736
                1916-9744
                May 2016
                31 August 2015
                : 8
                : 5
                : 72-80
                Affiliations
                [1 ]Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
                [2 ]Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
                [3 ]Health Services Management Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
                [4 ]School of Public Health, Shiraz University of Medical Sciences, Shiraz, Iran
                Author notes
                Correspondence: Morteza Zare, Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran. E-mail: Zare_morteza34@ 123456yahoo.com
                Article
                GJHS-8-72
                10.5539/gjhs.v8n5p72
                4877236
                26652082
                57aa270b-3c3b-4a47-8cee-fe137ce2b9d9
                Copyright: © Canadian Center of Science and Education

                This is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

                History
                : 22 June 2015
                : 03 August 2015
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