The Altmetric Score: A New Measure for Article-Level Dissemination and Impact

The explosion of scientific literature in recent years 1 Priem J. MEDLINE literature growth chart. jasonpriem.org. 2010. Available at: http://jasonpriem.org/2010/10/medline-literaturegrowth-chart/. Google Scholar makes it increasingly important and difficult for clinicians to identify high-quality articles relevant to their practice, research, education, and advocacy efforts. Theoretically, prestigious journals are read widely because of the high impact of their articles on medical practice; journal prestige has traditionally been quantified with the journal impact factor.