It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Find publishers' copyright and archiving policies.
Impact & Discoverability
How do you know if one journal is better than another? Many factors go into evaluating journals, and impact factors can be a useful shortcut for getting an understanding of the different publications in a specific field. Note that there are different systems of evaluation and that not every journal has been assigned an impact factor.