Finding Impact Factors for Journals
Introduction
The impact factor is a measure of the frequency with which the average article in a journal has been cited in a particular year. Web of Knowledge/Web of Science's Journal Citation Reports (JCR) lists the impact factors for journals and lists impact factors in the context of their specific field. To find a journal's impact factor, follow the steps below.
Step-By-Step: locate a specific journal's impact factor
- Go to the database, Journal Citation Reports to which the library supplies access.
- On the page that appears
---select a JCR edition (either Science or Social Science) and then select the year (it defaults to the most current year)
---next, your can search by subject, a specific journal title, or view all journals. For this example, I selected the option, Search for a specific journal
---then clicked the button, Submit.
- The Journal Search page will appear, and you can search for journals by full journal title, abbreviated journal title, title word, or ISSN. In this example, I typed in the title, Journal of School Psychology.
- The page that appears, the "Journal Summary List" , will show the impact factor for your selected journal. For additional analysis and explanation of impact factor and other measures, click the journal's abbreviated journal title (in blue), J School Psychology.
- The "Journal Summary List" page will show the impact factor for your selected journal. For additional analysis and explanation of impact factor and other measures, click the journal's abbreviated journal title (in blue), J School Psychology.

Step-By-Step: locate the impact factors for a group of journals by subject
- Go to the database, Journal Citation Reports
- On the page that appears
select a JCR edition (either Science or Social Science) and year
select an option,View a group of journals by Subject Category
then click Submit. - The Subject Category Selection page will let you search by one or more subject categories. Select a subject category (example: physiology), check View Journal Data, then select sort by Impact Factor, then click Submit.
- The journal summary list page will show the impact factor of the journals in your selected category or categories. For additional analysis and explanation of impact factor and other measures, click the journal's title.

Resources
- Panel discussion at Columbia University about Impact Factors and What Matters
- Journal Citation Report documentation from ISI (PDF Document) a vendor's free training aid
Help
For additional information about the Journal Citation Reports, contact a librarian: 434.924.7040 or 434-982-2664.
Related Topics
- See the following webpage to determine who is citing an author's works and how often the works are being cited?
- Promotion and Tenure Resources