THE OPEN ACCES EFFECT

Studies have begun to show that open access increases impact, although more studies and more substantial investigations are needed to confirm the effect. http://opcit.eprints.org/oacitation-biblio.html Also nice to read is the article of Oliver Obst on impact factors of Open Access Journals: http://www.uni-muenster.de/ZBMed/medinfo/2005/12_bereuter.html