Engaging in extreme activism in support of others’ political struggles: The role of politically motivated fusion with out-groups

• Jonas R. Kunst ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: j.r.kunst@psykologi.uio.no

  Affiliations Department of Psychology, University of Oslo, Oslo, Norway, Center for Research on Extremism, University of Oslo, Oslo, Norway, Department of Political Science, Aarhus University, Aarhus, Denmark

  http://orcid.org/0000-0002-5319-1256

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• Beverly Boos ,

  Roles Conceptualization, Methodology, Writing – review & editing

  ¶‡ These authors are shared second authors on this work.

  Affiliation Department of Psychology, University of Oslo, Oslo, Norway

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• Sasha Y. Kimel ,

  Roles Conceptualization, Methodology, Writing – review & editing

  ¶‡ These authors are shared second authors on this work.

  Affiliation Department of Psychology, Harvard University, Cambridge, Massachusetts, United States of America

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• Milan Obaidi ,

  Roles Conceptualization, Methodology, Writing – review & editing

  ¶‡ These authors are shared second authors on this work.

  Affiliation Department of Psychology, Uppsala University, Uppsala, Sweden

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• Maor Shani ,

  Roles Conceptualization, Methodology, Writing – review & editing

  ¶‡ These authors are shared second authors on this work.

  Affiliation Jacobs University Bremen, Bremen, Germany

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• Lotte Thomsen

  Roles Conceptualization, Funding acquisition, Methodology, Writing – review & editing

  Affiliations Department of Psychology, University of Oslo, Oslo, Norway, Department of Political Science, Aarhus University, Aarhus, Denmark

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