Changing Journal Impact Factor Rules Creates Unfair Playing Field For Some
Some journals are expected to benefit immensely under Clarivate’s new counting model.
Skeletons In Their Closet: Clarivate Issues Editorial Concern But Takes No Further Action
A public allegation of citation manipulation among 5 journals deserves a public inquiry.
Tipping the Scales: Is Impact Factor Suppression Biased Against Small Fields?
The suppression of three economic history journals reveals more about Clarivate’s methods than citation manipulation.
Impact Factor Denied to 20 Journals For Self-Citation, Stacking
Publisher of performance metrics suppresses 20 journals, 14 for high levels of self-citation and 6 for citation stacking, releases Editorial Expression of Concern for 5 others.
2017 Journal Impact Factors Feature Citation Distributions
The 2018 release of the Journal Citation Reports (JCR) now features citation distributions for each journal. Poor implementation may prevent these figures from being used and may actively encourage abuse by predatory publishers.
Journal Growth Lowers Impact Factor
Phil Davis examines how publication timing can affect annual Journal Impact Factor scores.
CiteScore–Flawed But Still A Game Changer
The real innovation of CiteScore is not another performance metric, but a new marketing model focused on editors.
On Moose and Medians (Or Why We Are Stuck With The Impact Factor)
If Thomson Reuters can calculate Impact Factors and Eigenfactors, why can’t they deliver a simple median score?
2014 Journal Impact Factors
Journal additions, suppressions, new metrics and an improved user interface are included in this year’s Journal Citation Report (JCR).
Knockoffs Erode Trust in Metrics Market
If the Internet created a burgeoning market of cheap academic journal knockoffs, should we be surprised to witness new knockoff ratings companies?
When a Journal Sinks, Should the Editors Go Down with the Ship?
This year, Thomson Reuters suspended six business journals for engaging in a citation cartel. Should the authors be held responsible for the malfeasance of their editors? We propose a new solution to punishing the community for the poor decisions of the few.
Splitting the Difference — Does an Editorial Mutiny at a Journal Do Much Long-term Damage?
Editorial boycotts and declarations of independence generate a lot of heat, but what do the data say about the actual success of the new journals compared to the journals that were overthrown.
Netherlands Heart Journal Editor Delivers Dutch Citation Treat
Editors have learned how to exploit a simple loophole in the calculation of the Impact Factor. Is it time to close that loophole?
The Journal Usage Factor — Think Locally, Act Locally
If the Journal Usage Factor were run like an election, it would be a system where each party runs its own polls, hoards its own votes, provides no paper trail, and has the power to ignore any appeal.
PLoS ONE's 2010 Impact Factor
Does the success of the scalable, multidisciplinary open access mega journal signal the imminent demise of the specialized, highly-selective subscription journal?