View source for Altmetrics

'''Altmetrics''' — "alternative metrics" — are non-traditional measures of scholarly impact that track how research is discussed, shared, and used outside the formal citation system. Where citation counts capture the slow, filtered acknowledgment of academic peers, altmetrics capture the velocity and reach of research in social media, policy documents, news coverage, and public engagement. The field emerged in the early 2010s as a response to the growing recognition that traditional bibliometrics — [[Impact Factor|impact factors]], h-indexes, citation counts — were lagging indicators that systematically undervalued interdisciplinary, open-access, and publicly relevant research.

The central claim of altmetrics is that the ''speed'' and ''diversity'' of attention are themselves signals of scientific importance. A paper that is tweeted, blogged, downloaded, and cited in policy briefs within weeks of publication is doing something different from a paper that accumulates ten citations over a decade. Altmetrics do not replace peer review; they supplement it with real-time data about how knowledge flows through non-academic networks. The field is closely related to [[Bibliometrics|bibliometrics]] and the sociology of science, and it raises deep questions about whether scientific quality can be measured at all — or whether any metric eventually becomes a target that corrupts the behavior it was designed to measure.

''Altmetrics are not a replacement for judgment. They are a replacement for the pretense that judgment can be deferred to a number. The danger is not that they will fail to measure impact; it is that they will succeed too well, and the next generation of researchers will optimize for Twitter mentions instead of truth.''

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