Open Access News

News from the open access movement


Friday, March 20, 2009

OA can improve research metrics

Stevan Harnad, The Need to Cross-Validate and Initialize Multiple Metrics Jointly Against Peer Ratings, Open Access Archivangelism, March 19, 2009.  Excerpt:

The Times Higher Education Supplement (THES) has reported the results of a study they commissioned by Evidence Ltd that found that the ranking criteria for assessing and rewarding research performance in the UK Research Assessment Exercise (RAE) changed from RAE 2001 to RAE 2008. The result is that citations, which correlated highly with RAE 2001, correlated less highly with RAE 2008, so a number of universities whose citation counts had decreased were rewarded more in 2008, and a number of universities whose citation counts had increased were rewarded less....

(5) The dawning era of Open Access (free web access) to peer-reviewed research is providing a wealth of new metrics to be included, tested and assigned initial weights in the joint battery of metrics. These include download counts, citation and download growth and decay rates, hub and authority scores, interdisciplinarity scores, co-citations, tag counts, comment counts, link counts, data-usage, and many other openly accessible and measurable properties of the growth of knowledge in our evolving "Cognitive Commons."...