ArticlePNAS nexus2025
Commonly observed sex differences in direct aggression are absent or reversed in sibling contexts.
Erratum issuedAbstract read
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Article in PNAS nexus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 2 papers.
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0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- The Short-Term Influence of Sibling Proactive and Reactive Aggression on Subsequent Peer Aggression.Behavioral sciences (Basel, Switzerland) · 2026Article
- Prevalence of aggression and its associated factors among medical sciences students.Discover mental health · 2026Article
Corrections and comments
- Erratum issued
Authors and funding
51 authors.
Michael E W VarnumDepartment of Psychology, Arizona State University, Tempe, AZ 85282-1104, USA.ORCID https://orcid.org/0000-0002-2088-6086
Amanda P KirschDepartment of Psychology, Arizona State University, Tempe, AZ 85282-1104, USA.ORCID https://orcid.org/0000-0002-9427-3039
Daniel J BealDepartment of Management, Virginia Tech, Blacksburg, VA 24061, USA.ORCID https://orcid.org/0000-0003-4750-2430
Cari M PickOffice of the Chief Scientist, Environmental Defense Fund, New York, NY 10100, USA.ORCID https://orcid.org/0000-0002-3703-156X
Laith Al-ShawafDepartment of Psychology, Center for Cognitive Archaeology, Lyda Hill Institute for Human Resilience, University of Colorado Colorado Springs, Colorado Springs, CO 80918, USA.ORCID https://orcid.org/0000-0002-8600-0591
Chiara AmbrosioDepartment of Psychology, University of Campania "Luigi Vanvitelli", Caserta 81100, Italy.ORCID https://orcid.org/0009-0005-5334-6480
Maria Teresa BarbatoSchool of Psychology, Universidad de Santiago de Chile, Santiago 9170022, Chile.
Oumar BarryDepartment of Psychologie, University Cheikh Anta Diop, Dakar 10700, Senegal.ORCID https://orcid.org/0000-0002-5893-6149
Watcharaporn BoonyasiriwatThe Faculty of Psychology, Chulalongkorn University, Bangkok 10330, Thailand.
Eduard BrandstätterInstitut für Psychologie, Johannes Kepler University Linz, Linz 4040, Austria.ORCID https://orcid.org/0000-0002-1117-5274
Suzan Ceylan-BaturDepartment of Psychology, TOBB University of Economics and Technology, Ankara 06510, Türkiye.
Marco Antonio Correa VarellaDepartment of Experimental Psychology, Institute of Psychology, University of São Paulo, São Paulo 05508-030, Brazil.ORCID https://orcid.org/0000-0002-7274-7360
Julio Eduardo CruzDepartment of Psychology, Universidad de los Andes, Bogotá 111711, Colombia.ORCID https://orcid.org/0000-0001-9431-8762
Oana DavidThe International Institute for the Advanced Studies of Psychotherapy and Applied Mental Health, Babes-Bolyai University Cluj-Napoca, Cluj-Napoca 400347, Romania.ORCID https://orcid.org/0000-0001-8706-1778
Laina Ngom DiengDepartment of Psychologie, University Cheikh Anta Diop, Dakar 10700, Senegal.ORCID https://orcid.org/0009-0001-4573-4230
Dimitri DuboisCEE-M, University Montpellier, CNRS, INRAE, Institut Agro, Montpellier 34000, France.ORCID https://orcid.org/0000-0002-3030-9629
Ana María FernandezSchool of Psychology, Universidad de Santiago de Chile, Santiago 9170022, Chile.ORCID https://orcid.org/0000-0003-4132-5891
Silvia GaldiDepartment of Psychology, University of Campania "Luigi Vanvitelli", Caserta 81100, Italy.ORCID https://orcid.org/0000-0002-1343-9245
Oscar Javier Galindo CaballeroFaculty of Psychology, Universidad Católica de Colombia, Bogotá 110911, Colombia.ORCID https://orcid.org/0000-0003-4603-6415
Sylvie GrafInstitute of Psychology, Czech Academy of Sciences, Prague 11000, Czechia.ORCID https://orcid.org/0000-0002-7810-5457
Igor GrossmannDepartment of Psychology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1.ORCID https://orcid.org/0000-0003-2681-3600
David GuzmanFaculty of Psychology, Fundación Universitaria Konrad Lorenz, Bogotá 110231, Colombia.ORCID https://orcid.org/0000-0001-7601-7253
Peter HalamaInstitute of Experimental Psychology, Slovak Academy of Sciences, Bratislava 841 04, Slovakia.ORCID https://orcid.org/0000-0002-6938-4845
Takeshi HamamuraSchool of Psychology, Curtin University, Perth 6102, Australia.ORCID https://orcid.org/0000-0003-2122-6300
Martina HřebíčkováInstitute of Psychology, Czech Academy of Sciences, Prague 11000, Czechia.ORCID https://orcid.org/0000-0002-8700-1326
Ioana IugaThe International Institute for the Advanced Studies of Psychotherapy and Applied Mental Health, Babes-Bolyai University Cluj-Napoca, Cluj-Napoca 400347, Romania.
Lady JavelaDepartment of Psychology, Universidad del Rosario, Bogotá 110311, Colombia.
Jaewuk JungDepartment of Psychology, Sogang University, Seoul 04107, South Korea.
Johannes A KarlSchool of Psychology, Victoria University of Wellington, Wellington 6140, New Zealand.ORCID https://orcid.org/0000-0001-5166-0728
Jinseok P KimDepartment of Psychology, Yonsei University, Seoul 03722, South Korea.ORCID https://orcid.org/0000-0003-4095-7336
Michal KohútDepartment of Psychology, University of Trnava, Trnava 918 43, Slovakia.ORCID https://orcid.org/0000-0002-4544-1331
Anthonieta Looman MafraDepartment of Experimental Psychology, Institute of Psychology, University of São Paulo, São Paulo 05508-030, Brazil.ORCID https://orcid.org/0000-0002-7612-8778
Dieynaba Gabrielle NdiayeDepartment of Psychologie, University Cheikh Anta Diop, Dakar 10700, Senegal.
Jiaqing ODepartment of Psychology, Aberystwyth University, Aberystwyth SY23 3UX, United Kingdom.ORCID https://orcid.org/0000-0002-9325-4020
Beatriz Perez SánchezDepartment of Psychology, University of La Frontera, Temuco 4780000, Chile.ORCID https://orcid.org/0000-0003-0180-808X
Eric Roth UnzuetaDepartment of Psychology, Universidad Católica Boliviana, La Paz 0201-0220, Bolivia.
Muhammad RizwanDepartment of Clinical Psychology, National University of Medical Sciences, Rawalpindi 46000, Pakistan.ORCID https://orcid.org/0000-0001-9983-300X
A Timur SevincerInstitute of Psychology, Leuphana University of Lüneburg, Lüneburg 21335, Germany.ORCID https://orcid.org/0000-0003-2751-0142
Eric SkoogPeace Research Institute Oslo, Oslo NO-0134, Norway.ORCID https://orcid.org/0000-0002-7566-6283
Eunkook M SuhDepartment of Psychology, Yonsei University, Seoul 03722, South Korea.
Daniel SznycerDepartment of Psychology, Oklahoma State University, Stillwater, OK 74078, USA.ORCID https://orcid.org/0000-0002-6510-3313
Evelina ThunellDivision of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm 171 77, Sweden.
Arnaud TognettiCEE-M, University Montpellier, CNRS, INRAE, Institut Agro, Montpellier 34000, France.ORCID https://orcid.org/0000-0001-6236-3577
Ayse K UskulSchool of Psychology, University of Sussex, Brighton and Hove BN1 9RH, United Kingdom.ORCID https://orcid.org/0000-0001-8013-9931
Jaroslava Varella ValentovaDepartment of Experimental Psychology, Institute of Psychology, University of São Paulo, São Paulo 05508-030, Brazil.ORCID https://orcid.org/0000-0002-2113-3385
Yunsuh Nike WeeDepartment of Psychology, Oklahoma State University, Stillwater, OK 74078, USA.ORCID https://orcid.org/0009-0008-2093-2661
Anja Lundkvist WinterDivision of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm 171 77, Sweden.
Torin Peter YoungDepartment of Psychology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1.ORCID https://orcid.org/0000-0002-7144-7833
Danilo ZambranoFaculty of Psychology, Fundación Universitaria Konrad Lorenz, Bogotá 110231, Colombia.ORCID https://orcid.org/0000-0003-1527-6088
Anna ZiskaFresenius University of Applied Sciences, Idstein 65510, Germany.
Douglas T KenrickDepartment of Psychology, Arizona State University, Tempe, AZ 85282-1104, USA.ORCID https://orcid.org/0000-0001-8906-2758
Funding
No grant is acknowledged in the PubMed record.
Abstract
Decades of research support the generalization that human males tend to be more aggressive than females. However, most of that research has examined aggression between unrelated individuals. Data drawn from 24 societies around the globe (
Indexed as
aggressionsex differencessiblingsuniversal
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.