The graph shows the changes in the impact factor of Psychometrika and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.
How Influential is Psychometrika?
Psychometrika is the 1st out of 2 Psychometrics journals. This Journal is the 139th out of 837 Applied Mathematics journals. This means the journal is among the top 17% in the sub-discipline of Applied Mathematics. This Journal is the 261st out of 2,015 Mathematics journals. This means the journal is among the top 13% in the discipline of Mathematics. This Journal is the 421st out of 2,014 Psychology journals. This Journal is the 454th out of 2,945 Formal Sciences journals. This means the journal is among the top 16% in the science branch of Formal Sciences. This Journal is the 1526th out of 18,687 Social Sciences journals. This means the journal is among the top 9% in the science branch of Social Sciences. This Journal is the 2574th out of 11,479 Physical Sciences journals.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.
