Journal metric profile

ISIS

Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor, five-year Impact Factor, quartile, category rank, publisher, identifiers and citation profile for the 2025 metric year.

JCR-based Impact Factor 0.900 2025 metric year
5-Year Impact Factor 0.700 Longer citation window
JCR Quartile Q2 Subject-category quartile
JCR Category Rank 32/112 Recorded category rank

ISIS JCR impact factor overview

Automatically generated from the journal record shown on this page.

Page reviewed August 6, 2026

Clarivate JCR impact factor overview

ISIS is listed in this directory with bibliometric information for 2025. It is published by UNIV CHICAGO PRESS. The database records a Journal Impact Factor of 0.900, presented as a Clarivate Journal Citation Reports (JCR)-based metric. Its listed JCR Impact Factor quartile is Q2.

Ranking and quartile

The recorded JCR Impact Factor category rank is 32 out of 112 journals in its listed category. A Q2 designation describes the journal’s position within its subject category; it should not be used as a direct measure of the quality of an individual article.

Citation profile

The record contains 1,779 total citations, 39 total articles, 40 citable items. The five-year Impact Factor is 0.700, which is 0.200 points below the listed standard Journal Impact Factor. These values use different citation windows and should be interpreted together rather than as a direct trend. The Journal Impact Factor without journal self-citations is recorded as 0.800. The Journal Citation Indicator is listed as 0.700.

Citation half-life

The cited half-life is recorded as 21 years, describing the median age of articles cited in the reporting year. The citing half-life is 26.9 years, reflecting the median age of references used by the journal’s articles.

Journal identifiers and verification

ISIS is identified in this record by print ISSN 0021-1753 and electronic ISSN 1545-6994. Use the ISSN when checking library catalogues, publisher records, indexing databases, or the official Clarivate Journal Citation Reports entry.

Complete journal information

All values below come directly from the database record.

Journal nameISIS
Abbreviated journalISIS
PublisherUNIV CHICAGO PRESS
Metric year2025
Overall rank14,036
ISSN0021-1753
eISSN1545-6994
Total cites1,779
Total articles39
Citable items40
Cited half-life21 years
Citing half-life26.9 years
JCR-based Journal Impact Factor0.900
5-Year Impact Factor0.700
Impact Factor without journal self-cites0.800
Journal Citation Indicator0.700
JCR Impact Factor quartileQ2
JCR category rank32/112
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of ISIS?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for ISIS is 0.900 for the 2025 metric year.

What quartile is ISIS?

ISIS is listed in quartile Q2. Quartiles describe a journal’s position within a subject category and should be interpreted within that field.

Who publishes ISIS?

ISIS is listed as being published by UNIV CHICAGO PRESS.

Can a JCR Journal Impact Factor be used to judge an individual article?

No. The Journal Impact Factor is a journal-level citation measure reported in Clarivate Journal Citation Reports. It does not measure the quality, reliability or influence of every individual article published by that journal.

Additional records from the same publisher or with a similar listed JCR Impact Factor.