Skip to Main Content

Impact Factors, and other measures of scholarly impact

Adapted from Impact Factors and Citation Analysis, Robert W. Woodruff Library, Emory University; used by permission.

What are SNIPs?

The Source Normalized Impact per Paper (SNIP) indicator, created by Henk Moed, corrects for differences in citation patterns among disciplines. A journal's SNIP = (citation count per paper)/(citation potential within its field).

Calculation of the SNIP measure was modified in 2012; average SNIP is now equal to 1, which means that journals with SNIPs higher than 1 are better than average for their discipline.

How to find SNIPs