The following preprint was recently posted to Humanities Commons
Free Ebook Foundation
via Humanities Commons
A statistical analysis of usage data for open-access ebooks from two different publishers and from a free ebook distribution platform indicates that open-access ebook usage is distributed following log-normal statistics. Using a quantity related to the logarithm of download counts, dubbed the “open-factor”, will measure impact in better alignment with the goals of open-access ebook publishing.
Direct to Bib Info and Link to Download Full Text
Update (April 3, 2019) Blog Post About Article by Eric Hellman (via Go To Hellman)