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Science. 2009 Feb 20;323(5917):1025. doi: 10.1126/science.1154562.

Open access and global participation in science.

Author information

1
Department of Sociology, University of Chicago, Chicago, IL 60637, USA. jevans@uchicago.edu

Abstract

Previous investigations into the impact of open-access journals on subsequent citations confounded open and electronic access and failed to track availability over time. With new data, we separated these effects. We demonstrate that a journal receives a modest increase in citations when it comes online freely, but the jump is larger when it first comes online through commercial sources. This effect reverses for poor countries where free-access articles are much more likely to be cited. Together, findings suggest that free Internet access widens the circle of those who read and make use of scientists' investigations.

PMID:
19229029
DOI:
10.1126/science.1154562
[Indexed for MEDLINE]
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