...measure the quality of a journal, illuminating citation trends and patterns within journals and their subject fields. Journal metrics help one to:
There are many fake impact factors and bogus metrics. Below is a link to a rather lengthy list of fake metrics.
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|Article Influence||Measures how impactful the average article is within a journal. Calculated by using the Eigenfactor score divided by the number of articles published in journal.|
|CiteScore||The number of citations made in the current year to articles in the previous three years of the journal, divided by the total number of articles in the previous 3 years of the journal. CiteScore includes all sources and document types|
|Eigenfactor||Scores the importance of a journal; said to be more robust than the impact factor. Similar to the 5-Year Journal Impact Factor except that it weeds out self-citations. Covers both the hard sciences and the social sciences.|
|5 Year Journal Impact Factor||Shows how often the journal has been cited in the most recent five years. Calculated by the number of citations to articles from the most recent five full years, divided by the total number of articles from the most recent five full years.|
|h Index||Accounts for quantity (number of articles) and quality (defined as number of citations). A journal's h-index is the number of articles in a journal [h] that have received at least [h] citations over a citation period.|
|Impact per Publication. Also known as RIP (raw impact per publication), the IPP is number of current-year citations to papers from the previous three years, divided by the total number of papers in those three previous years.|
|Journal Cited Half Life||
For the current Journal Citation Reports year, the median age of journal articles cited.
|Journal Immediacy Index||Shows how often the journal is cited during the current year. Calculated by the number of citations to articles from the current year, divided by the total number of articles from the current year.|
|Journal Impact Factor||Shows how highly cited the average article in a journal is relative to others in its discipline. Calculated by the number of citations made in the current year to articles in the previous two years, divided by the total number of citable articles from the previous two years.|
|Normalized Eigenfactor||Turns the Eigenfactor into a multiplier. A score of two is twice as good as a score of one; a score of twenty is four times as good as a score of five.|
|SCImago Journal Rank||Accounts for the number of citations received by a journal and the importance or prestige of the journal where the citations come from. This is a ratio of the average number of weighted citations received in a year over the number of documents published in the journal in the previous three years.|
|SJR||This metric doesn't consider all citations of equal weight; it takes into account the prestige of the citing journal.|
|SNIP||If there are fewer total citations in a research field, then citations are worth more in that field: Source Normalized Impact per Paper weights citations based on the number of citations in a field.|