Journal profile · Psychology-Psychology (all)

International Journal of Comparative Psychology

ISSN 0889-3667 · eISSN 2168-3344 · University of California eScholarship · United States

International Journal of Comparative Psychology: diamond open access (no APC); no APC; review about 12 weeks (community reports); 13 articles in 2025; indexed in Scopus.

Impact factor—No published value
CAS zone—Not in the CAS Journal Ranking
CiteScore quartileQ4General Psychology · rank 184/220 · 16th percentile
Review timeabout 12 weeksCommunity average
APCNo APCDiamond open access (no APC)
Acceptance—No reports yet
Articles per year132025 · OpenAlex count

Scope

Aims, scope and focus

International Journal of Comparative Psychology is published by University of California eScholarship. By OpenAlex counts of its recent articles, its largest topics are Primate Behavior and Ecology, Animal Behavior and Welfare Studies and Animal Behavior and Reproduction, together about 36.3% of its articles. (generated from OpenAlex topic counts and CAS ranking data)

The International Journal of Comparative Psychology publishes studies on the evolution and development of animal behavior, including humans. Articles based on experimental or descriptive research procedures, carried out in laboratory, semi-natural, or natural settings, and involving mechanistic, developmental, functional-adaptive, or evolutionary theoretical approaches are welcome. Articles may include a single study or a series of related studies. The International Journal of Comparative Psychology is indexed in these and other services: Dietrich's Index Philosophicus; E-psyche; Indian Psychological Abstracts and Reviews; Psychological Abstracts; PsycINFO; Russian Academy of Sciences Bibliographies; Social Work Abstracts; Google Scholar; and Scopus.

From the journal's Aims & Scope

Research area (LetPub): Psychology-Psychology (all)

Editor-in-chief Jennifer R. TobeyPublisher website

Editorial board by country: none in mainland China; most named United States 21, Canada 3, Japan 2, Colombia 2, United Kingdom 1 (34 members with a country) Editorial board ↗Publisher website ·

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Primate Behavior and EcologyPsychology16.3%
  2. Animal Behavior and Welfare StudiesVeterinary11.4%
  3. Animal Behavior and ReproductionAgricultural and Biological Sciences8.6%
  4. Memory and Neural MechanismsNeuroscience7.4%
  5. Child and Animal Learning DevelopmentPsychology7%
  6. Marine animal studies overviewEnvironmental Science6.9%
  7. Neurotransmitter Receptor Influence on BehaviorNeuroscience4.6%
  8. Neural and Behavioral Psychology StudiesNeuroscience4.5%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Not covered

Not covered by this edition.

CAS Xinrui Journal Ranking (March 2026)Not covered

Not covered by this edition.

CAS Journal Ranking, previous upgraded edition (December 2023)Not covered

Not covered by this edition.

CiteScore quartiles (Scopus, June 2026 release)

SubjectQuartileRankPercentile
General PsychologyQ4184/22016th

Scopus ranks journals by CiteScore within each subject: the 75th percentile and above is Q1, then a quartile every 25 points. A different system from the CAS zones.LetPub

Database indexing

ScopusDOAJLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

PsycINFOPublisher website

Other: Google Scholar

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

CiteScore 2026-06
0.8LetPub ·
SJR 2026-06
0.24LetPub ·
SNIP 2026-06
0.45LetPub ·
h-index
51OpenAlex ·
i10-index
324OpenAlex ·
2-year mean citedness
0.53OpenAlex ·
Share of gold OA articles
0%LetPub ·

Articles by year OpenAlex count · 939 in total · the current year is incomplete

YearArticlesOpen accessCitations
20261313375
20251313593
20241212737
202366688
202277820
20211010885

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Review & acceptance

Review time and acceptance

Average review time (community reports)
about 12 weeksLetPub ·
Submission to publication (journal-reported)
about 12 weeksDOAJ ·
Peer review
Single anonymous peer reviewDOAJ

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Diamond open access (no APC)DOAJ

Every article is open access and authors pay no article processing charge.

SourceAPCFee waiverLicenseObserved
DOAJNo APCNoCC BY
LetPubNo APCNo—

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

What to prepare4 items from the author guidelines
Reference style
APA
First submission
Free format: the journal's layout is not required
Suggested reviewers
Required, 3
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Article types accepted4
  1. articles reviewing the literatureArticles reviewing the literature in a particular area of research will be occasionally accepted for consideration when the author has demonstrated significant …Length not stated
  2. audio-visual materialIn addition, authors are encouraged to submit audio-visual material both as supplemental material and as stand-alone submissions.Length not stated
  3. papers developing original theoretical models of behaviorPapers developing original theoretical models of behavior and substantial reanalysis of published data will also be considered.Length not stated
  4. short letters to the editorShort letters to the editor focusing on relevant issues under discussion in the literature or on forgotten issues that deserve renewed attention will be conside…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Data availability, Publication ethics, License & copyright, Open access, Peer review
Authorship

Submissions must not be previously published or under consideration by another journal. Model summary

The submission has not been previously published, nor is it before another journal for consideration (or an explanation has been provided in Comments to the Editor).

Source ↗Publisher website ·
Data availability

Names and email addresses will be used exclusively for the journal's stated purposes. Model summary

The names and email addresses entered in this journal site will be used exclusively for the stated purposes of this journal and will not be made available for any other purpose or to any other party.

Source ↗Publisher website ·
Publication ethics

Authors should follow current APA ethical guidelines, especially regarding research and publication, care and use of animals, and treatment of human participants. Model summary

It is recommended that authors follow current APA ethical guidelines (see http://www.apa.org/ethics/code2002.html). Especially relevant are the guidelines about research and publication, care and use of animals, and treatment of human participants in research.

Source ↗Publisher website ·
License & copyright Copyright Notice

Authors grant the Journal/The Regents a non-exclusive right to make the work available in eScholarship in perpetuity. Model summary

I (hereafter called the “Author”) grants the International Journal of Comparative Psychology (hereafter called the “Journal”) on behalf of The Regents of the University of California (hereafter called “The Regents”) the non-exclusive right to make any material submitted by the Author to the Journal (hereafter called the “Work”) available in eScholarship in any format in perpetuity. The Author and …

Source ↗Publisher website ·
Open access Open Access Policy

This journal provides immediate open access to its content, free of charge, on the principle that making research freely available to the public supports a greater global exchange of knowledge. Currently, no processing or publication fees (APCs) are assessed to authors for publishing in the journal.

Source ↗Publisher website ·
Peer review Peer Review Process

Material submitted to IJCP will undergo an internal review to assure that compliance with journal format, ethical and review guidelines have been followed. IJCP accepts research articles, which may be published alone or as part of a special issue, letters, and audiovisual materials. Letters discussing or disputing published material are accepted. Such articles should include the original title, an…

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
University of California eScholarship
Country or region
United States
Language
English
ISSN
0889-3667
Electronic ISSN
2168-3344
Official links

FAQ

Frequently asked questions about International Journal of Comparative Psychology

How long does peer review take at International Journal of Comparative Psychology?

Authors report an average review time of about 12 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

What are the manuscript requirements of International Journal of Comparative Psychology?

According to the journal's author guidelines: Reference style: APA; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required, 3; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.

Where are the editorial board members of International Journal of Comparative Psychology based?

Of the 34 board members whose country the journal's board page names, none are in mainland China; the countries named most often are United States (21), Canada (3) and Japan (2). Counted from the institutions listed on the board page; for reference only.

Which databases index International Journal of Comparative Psychology?

According to LetPub and DOAJ records, International Journal of Comparative Psychology is indexed in Scopus and DOAJ. The journal's website also lists PsycINFO; that list has not been checked against each database.

Is International Journal of Comparative Psychology open access, and what is the APC?

International Journal of Comparative Psychology is a diamond open-access journal (no APC). It charges no article processing charge.

Sources and updates

The facts on this page come from LetPub, OpenAlex, DOAJ, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .