on whether or not there is a citation advantage for Open Access
articles. That project has now completed and the list is no longer being
managed. SPARC Europe is pleased to maintain the list henceforth and has brought it up to date.
In 2010, a summary of all the studies to date was published. This, too, has been brought up to date, and the current summary table lists all studies, some comparative details of their methodologies, and their findings.
We know the OpCit project?s work was highly valued and SPARC Europe is pleased to continue to capture that value for users.
| Total number of studies so far | 70 |
| Studies that found a citation advantage | 46 |
| Studies that found no citation advantage | 17 |
| Studies that were inconclusive, found non-significant data or measured other things than citation advantage for articles | 7 |
Summary of results of studies