The psychology of offensive and defensive intergroup violence: Preregistered insights from 58 countries

Jonas R. Kunst

Department of Communication and Culture, BI Norwegian Business School

Tomasz Besta

Institute of Psychology, University of Gdańsk

Michał Jaśkiewicz

Institute of Psychology, University of Gdańsk

Anna Natalia Gajda

Institute of Psychology, University of Gdańsk

Markus Sanden

Department of Psychology, University of Oslo

Mina Marie Flatebø

Department of Psychology, University of Oslo

Sulaiman Olanrewaju Adebayo

Department of Psychology, Ekiti State University

Marios Adonis

Department of Social Sciences, School of Humanities and Social Sciences, University of Nicosia

Collins Badu Agyemang

Department of Psychology, University of Ghana

Raymond Agyenim Boateng

Division of Social Sciences, Humanities and Design, College of Professional and Continuing Education, Hong Kong Polytechnic University

Serap Arslan Akfirat

Department of Psychology, Dokuz Eylul University

Samir Al-adawi

Department of Behavioral Medicine, College of Medicine and Health Sciences, Sultan Qaboos University

Chiara Ambrosio

Department of Psychology, University of Campania “Luigi Vanvitelli”

Gulnaz Anjum

Department of Psychology, University of Oslo

John Jamir Benzon R. Aruta

Department of Psychology, De La Salle University

Ivars Austers

Department of Psychology, University of Latvia

Oumar Barry

Department of Psychology, Université Cheikh Anta Diop de Dakar

Brock Bastian

Maja Becker

Cognition, Langues, Langage, Ergonomie, Université de Toulouse

Michael Bender

Nora Cornelia Glerud Benningstad

Department of Psychology, University of Oslo

Islam Borinca

Department of Social Psychology, University of Groningen

Göksu Celikkol

Institute of Psychology, University of Gdańsk

Jiří Čeněk

Department of Social Studies, Mendel University in Brno

Trawin Chaleeraktrakoon

Department of Psychology, Thammasat University

Phatthanakit Chobthamkit

Department of Psychology, Thammasat University

Hoon-Seok Choi

Department of Psychology, Sungkyunkwan University

Suyeong Choi

Department of Psychology, University of Waterloo

Patricia Ciordas

Department of Social Psychology, ELTE Eötvös Loránd University

Ann-Cathrin Coenen

Department of Psychology, University of Oslo

Aleksandra Cupta

Institute of Psychology, University of Gdańsk

Piyanjali de Zoysa

Department of Psychiatry, University of Colombo

Sandesh Dhakal

Central Department of Psychology, Tribhuvan University

Lauren E. Duncan

Department of Psychology, Smith College

Tuğçenaz Elcil

Department of Psychology, Dokuz Eylul University

Barkan Eskiili

Department of Psychology, Istanbul Gedik University

Edgardo Etchezahar

Department of Evolutionary Psychology and Education, Autonomous University of Madrid

Renata Franc

Department of Psychology, Ivo Pilar Institute of Social Sciences

Silvia Galdi

Department of Psychology, University of Campania “Luigi Vanvitelli”

Magdalena Garvanova

Department of Information Systems and Technologies, University of Library Studies and Information Technologies

Paul Gill

Department of Security and Crime Science, University College London

Augusto Gnisci

Department of Psychology, University of Campania “Luigi Vanvitelli”

Angel Gómez

Department of Social and Organizational Psychology, Universidad Nacional de Educación a Distancia

Talía Gómez Yepes

Department of Evolutionary Psychology and Education, Autonomous University of Madrid

Igor Grossmann

Department of Psychology, University of Waterloo

Emily A. Haines

College of Education, Psychology and Social Work, Flinders University

Fatjona Haka

Faculty of Social Sciences, University of Tirana

Boaz Hameiri

Program in Conflict Management and Mediation, Tel Aviv University

Imaduddin Hamzah

Department of Community Guidance, Politeknik Pengayoman Indonesia

Mai Helmy

Department of Psychology, College of Education, Sultan Qaboos University

Roland Imhoff

Department of Social and Legal Psychology, Johannes Gutenberg-Universität Mainz

Shanmukh Kamble

Department of Psychology, Karnatak University Dharwad

Fiona Kazarovytska

Department of Social and Legal Psychology, Johannes Gutenberg-Universität Mainz

Anna Kende

Department of Social Psychology, ELTE Eötvös Loránd University

Narine Khachatryan

Faculty of Philosophy and Psychology, Yerevan State University

Sasha Y. Kimel

Department of Psychology, California State University San Marcos

Jack W. Klein

Adam Komisarof

Faculty of Letters, Keio University

David Lacko

Timo Juhani Lajunen

Department of Social Sciences, School of Humanities and Social Sciences, University of Nicosia

Barbara Lášticová

Institute for Research in Social Communication, Slovak Academy of Sciences

Claudio López-Calle

Faculty of Psychology, Universidad de Cuenca

Wilson López-López

Faculty of Psychology, Pontificia Universidad Javeriana

Barbara Kalebić Maglica

Faculty of Humanities and Social Sciences, Department of Psychology, University of Rijeka

Romualdas Malinauskas

Department of Health, Physical and Social Education, Lithuanian Sports University

Sona Manusyan

Faculty of Philosophy and Psychology, Yerevan State University

Khatuna Martskvishvili

Department of Psychology, Ivane Javakhisvhili Tbilisi State University

Gustave Adolphe Messanga

Department of Philosophy-Psychology-Sociology, University of Dschang

Marta Miklikowska

Institute for Globally Distributed Open Research and Education

Jelena Minic

Department of Psychology, University of Priština

Tamara Mohorić

Faculty of Humanities and Social Sciences, Department of Psychology, University of Rijeka

Francesca Mottola

Department of Psychology, University of Campania “Luigi Vanvitelli”

Silvana Mula

Università degli Studi di Cagliari

Pasquale Musso

Department of Educational Sciences, Psychology, Communication, University of Bari Aldo Moro

Dieynaba Gabrielle Ndiaye

Department of Psychology, Université Cheikh Anta Diop de Dakar

Félix Neto

Faculty of Psychology and Educational Sciences, University of Porto

Joana Neto

Research on Economics, Management and Information Technologies, Universidade Portucalense

Laina Ngom Dieng

Department of Psychology, Université Cheikh Anta Diop de Dakar

Ihuoma Faith Obioma

Institute of Psychology, Goethe University Frankfurt

Tosin Tunrayo Olonisakin

Department of Psychology, Ekiti State University

Simon Ozer

Department of Psychology and Behavioural Sciences, Aarhus University

Penny Panagiotopoulou

Department of Educational Sciences and Social Work, University of Patras

Beata Pastwa-Wojciechowska

Institute of Psychology, University of Gdańsk

Vassilis Pavlopoulos

Department of Psychology, National and Kapodistrian University of Athens

Tomislav Pavlović

Department of Psychology, Ivo Pilar Institute of Social Sciences

Inha Petrovska

Department of Psychology, Ivan Franko National University of Lviv

Andrzej Piotrowski

Institute of Psychology, University of Gdańsk

Xenia Daniela Poslon

Institute for Research in Social Communication, Slovak Academy of Sciences

Lotte Pummerer

Department of Psychology, University of Bremen

Mahima Raina

Department of Humanities and Social Sciences, Indian Institute of Technology Kharagpur

Jano Ramos-Diaz

Facultad de Ciencias de la Salud, Universidad Privada del Norte

Vilja Robertsson

Department of Psychology, University of Gothenburg

Bettina Rottweiler

National Counterterrorism Innovation, Technology, and Education Center, University of Nebraska

David L. Sam

Department of Psychosocial Science, University of Bergen

Rosa Scardigno

Department of Educational Sciences, Psychology, Communication, University of Bari Aldo Moro

Marion K. Schulmeyer

Department of Psychology, Universidad Privada de Santa Cruz de la Sierra

Anna Stefaniak

School of Psychology and Neuroscience, University of St Andrews

Anna Studzinska

Cognition, Langues, Langage, Ergonomie, Université de Toulouse

Mark J. M. Sullman

Department of Social Sciences, School of Humanities and Social Sciences, University of Nicosia

Marcin Szulc

Institute of Psychology, University of Gdańsk

Willy Taffo Nemboué

Department of Philosophy-Psychology-Sociology, University of Dschang

Ergyul Tair

Department of Psychology, Institute for Population and Human Studies, Bulgarian Academy of Sciences

Nicole Tausch

School of Psychology and Neuroscience, University of St Andrews

Narendra Singh Thagunna

Central Department of Psychology, Tribhuvan University

Emma F. Thomas

College of Education, Psychology and Social Work, Flinders University

Joaquín Ungaretti

Department of Evolutionary Psychology and Education, Autonomous University of Madrid

Colette Van Laar

Center for Social and Cultural Psychology, University of Leuven (KU Leuven)

Žermēna Vazne

Department of Health Psychology and Paedagogy, Riga Stradins University

Alexandra Vázquez

Department of Social and Organizational Psychology, Universidad Nacional de Educación a Distancia

Jose Villanueva-Alvarado

Department of Psychology, Pontifical Catholic University of Peru

Anna Wlodarczyk

School of Psychology, Universidad Católica del Norte

Kumar Yogeeswaran

Department of Psychology, University of Canterbury

Milan Obaidi

Department of Psychology, University of Copenhagen