Altmetrics and Article-Level Metrics
Altmetrics (alternative metrics) measure the online attention and societal impact of research by tracking mentions in social media (Twitter), news outlets, policy documents, blogs, videos, and other online sources. Introduced formally in 2010 by Jason Priem and colleagues, altmetrics address limitations of citation-based assessment: citation counts accumulate slowly (taking years for impact to register), do not capture policy influence, and are biased toward certain fields (biomedicine receives more citations than social sciences). Altmetric.com, PlumX, and other platforms now provide real-time data on research reach, complementing traditional journal impact factors and H-indices. While altmetrics should not replace peer-reviewed citations for tenure and promotion, they offer valuable insight into public engagement with research.
Kilderegistrering
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- Priem, J., Taraborelli, D., Groth, P., & Neylon, C. (2010). Altmetrics: A manifesto. http://altmetrics.org/manifesto/ · URL
- Piwowar, H., Priem, J., & Larivière, V. (2018). The state of OA: a large-scale analysis of the prevalence and impact of open access articles. PeerJ, 6, e4375. · DOI 10.7717/peerj.4375
- Larivière, V., Gingras, Y., & Archambault, E. (2009). The decline in the concentration of citations, 1900–2007. Journal of the American Society for Information Science and Technology, 60(4), 858–862. · DOI 10.1002/asi.21011
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