== Resumen ==

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Este estudio se centra en las publicaciones de las universidades españolas en la Web of Science (WoS) durante 2014-2016 (125.824 artículos) y calcula 17 indicadores con Altmetric.com. Se han establecido tres objetivos: 1) ofrecer una perspectiva general de las altmétricas en las universidades españolas, 2) determinar la cobertura de Altmetric.com en el caso español y 3) establecer cuáles son las altmétricas más relevantes. Los resultados evidencian que el 42% de los artículos en la WoS están indexados en Altmetric.com. Los indicadores generados por Twitter, prensa digital, Facebook y Wikipedia explican el 82% de la varianza. Como conclusiones se señalan que: a) publicar en revistas de alto impacto y en áreas como Medicina y Biología contribuye a que las universidades obtengan mejores altmétricas; y b) un reducido número de indicadores es suficiente para determinar el impacto altmétrico.  

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