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  • Title: Inter-rater reliability of h-index scores calculated by Web of Science and Scopus for clinical epidemiology scientists.
    Author: Walker B, Alavifard S, Roberts S, Lanes A, Ramsay T, Boet S.
    Journal: Health Info Libr J; 2016 Jun; 33(2):140-9. PubMed ID: 27168256.
    Abstract:
    OBJECTIVE: We investigated the inter-rater reliability of Web of Science (WoS) and Scopus when calculating the h-index of 25 senior scientists in the Clinical Epidemiology Program of the Ottawa Hospital Research Institute. MATERIALS AND METHODS: Bibliometric information and the h-indices for the subjects were computed by four raters using the automatic calculators in WoS and Scopus. Correlation and agreement between ratings was assessed using Spearman's correlation coefficient and a Bland-Altman plot, respectively. RESULTS: Data could not be gathered from Google Scholar due to feasibility constraints. The Spearman's rank correlation between the h-index of scientists calculated with WoS was 0.81 (95% CI 0.72-0.92) and with Scopus was 0.95 (95% CI 0.92-0.99). The Bland-Altman plot showed no significant rater bias in WoS and Scopus; however, the agreement between ratings is higher in Scopus compared to WoS. CONCLUSION: Our results showed a stronger relationship and increased agreement between raters when calculating the h-index of a scientist using Scopus compared to WoS. The higher inter-rater reliability and simple user interface used in Scopus may render it the more effective database when calculating the h-index of senior scientists in epidemiology.
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