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DTSTART:19700101T000000
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DTSTAMP:20260417T234657Z
SUMMARY:The Mandated Open Access Impact Advantage
DESCRIPTION:Results to appear in PLoS ONE: HERE (n.b. embargoed [inacc
 essible] till 5pmEST, Oct 18)\nPreview preprint today: HERE\n\nGargour
 i, Y., Hajjem, C., Lariviere, V., Gingras, Y., Brody, T., Carr, L. and
  Harnad, S. (2010) Self-Selected or Mandated, Open Access Increases Ci
 tation Impact for Higher Quality Research. PLOS ONE 5 (10): e13636.\n\
 nBackground: Articles whose authors have supplemented subscription-bas
 ed access to the publisher’s version by self-archiving their own fin
 al draft to make it accessible free for all on the web (“Open Access
 ”, OA) average twice as many citations as articles in the same journ
 al and year that have not been made OA. Some have suggested that this 
 “OA Advantage” may not be causal but just a self-selection bias, b
 ecause authors preferentially make higher-quality articles OA. To test
  this we compared self-selective self-archiving with mandatory self-ar
 chiving for a sample of 27,197 articles published 2002-2006 in 1,984 j
 ournals.\n\nMethdology/Principal Findings: The OA Advantage proved jus
 t as high for both. Logistic regression analysis showed that the advan
 tage is independent of other correlates of citations (article age; jou
 rnal impact factor; number of co-authors, references or pages; field; 
 article type; or country) and greatest for the most highly cited artic
 les. The OA Advantage is real, independent and causal, but skewed. Its
  size is indeed correlated with quality, just as citations themselves 
 are (the top 20% of articles receive about 80% of all citations).\n\nC
 onclusions/Significance: The OA advantage is greater for the more cita
 ble articles, not because of a quality bias from authors self-selectin
 g what to make OA, but because of a quality advantage, from users self
 -selecting what to use and cite, freed by OA from the constraints of s
 elective accessibility to subscribers only. It is hoped that these fin
 dings will help motivate the adoption of OA self-archiving mandates by
  universities, research institutions and research funders.\n\n\n\nFor 
 more information visit http://legacy.openaccessweek.org/events/the-man
 dated-open-access
DTSTART;TZID=Pacific/Midway:20101017T180000
DTEND;TZID=Pacific/Midway:20101018T190000
CATEGORIES:"mandated oa advantage"
LOCATION:Global
WEBSITE:http://www.plosone.org/home.action
URL:http://www.plosone.org/home.action
CONTACT:
ORGANIZER;CN="Stevan Harnad":http://legacy.openaccessweek.org/profile/
 StevanHarnad
ATTACH;FMTTYPE="image/jpeg":http://storage.ning.com/topology/rest/1.0/
 file/get/3057470830?profile=original
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;RSVP=TRUE;CN="Stevan H
 arnad":http://legacy.openaccessweek.org/profile/StevanHarnad
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