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Systematic review: Risk factors and mechanisms of radicalization in lone-actor grievance-fueled violence

Systematic review: Risk factors and mechanisms of radicalization in lone-actor grievance-fueled... Abstract The purpose of this systematic review is to identify risk factors and mechanisms of radicalization associated with lone-actor grievance-fueled violence. In this paper, I focus on five violent lone-actor “types”; lone-actor terrorists, workplace attackers, school shooters, rampage shooters and violent Incels. Data synthesis of the 78 included studies led to the identification of nine risk factors: 1) sociodemographic background; 2) social ties; 3) interpersonal rejection; 4) mental illness; 5) subclinical personality traits; 6) strain; 7) grievances; 8) emotional traits and states; and 9) cognitive processes and content. As a limitation of the extant literature is the lack of a coherent and integrative framework of how each factor relates to the others, findings were re-synthesized to show how risk factors essentially reflect five generic social and psychological mechanisms of radicalization: socialization, small-group dynamics, psychological need restoration, mental health from a dimensional perspective, and mechanisms of moral disengagement. The paper ends with a discussion of this framework and its implications for future research on lone-actor grievance-fueled violence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nordic Psychology Taylor & Francis

Systematic review: Risk factors and mechanisms of radicalization in lone-actor grievance-fueled violence

Nordic Psychology , Volume 75 (2): 35 – Apr 3, 2023
35 pages

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References (124)

Publisher
Taylor & Francis
Copyright
© 2022 The Editors of Nordic Psychology
ISSN
1904-0016
eISSN
1901-2276
DOI
10.1080/19012276.2022.2074524
Publisher site
See Article on Publisher Site

Abstract

Abstract The purpose of this systematic review is to identify risk factors and mechanisms of radicalization associated with lone-actor grievance-fueled violence. In this paper, I focus on five violent lone-actor “types”; lone-actor terrorists, workplace attackers, school shooters, rampage shooters and violent Incels. Data synthesis of the 78 included studies led to the identification of nine risk factors: 1) sociodemographic background; 2) social ties; 3) interpersonal rejection; 4) mental illness; 5) subclinical personality traits; 6) strain; 7) grievances; 8) emotional traits and states; and 9) cognitive processes and content. As a limitation of the extant literature is the lack of a coherent and integrative framework of how each factor relates to the others, findings were re-synthesized to show how risk factors essentially reflect five generic social and psychological mechanisms of radicalization: socialization, small-group dynamics, psychological need restoration, mental health from a dimensional perspective, and mechanisms of moral disengagement. The paper ends with a discussion of this framework and its implications for future research on lone-actor grievance-fueled violence.

Journal

Nordic PsychologyTaylor & Francis

Published: Apr 3, 2023

Keywords: Lone-actor grievance-fueled violence; radicalization; risk factors; systematic review

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