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The feasibility and utility of the Terrorist Radicalization Assessment Protocol (TRAP-18) : a review and recommendations

Allely, CS; Wicks, SJ

The feasibility and utility of the Terrorist Radicalization Assessment Protocol (TRAP-18) : a review and recommendations Thumbnail


Authors

SJ Wicks



Abstract

The ability to accurately predict the risk of an individual committing an act of targeted violence is likely to be impossible given the low base rate of these acts (Goodwill & Meloy, 2019). Nevertheless, prevention is possible if there is a focus on fact-based behaviors, and threat management is in place. The Terrorist Radicalization Assessment Protocol (TRAP-18; Meloy et al., 2015; Meloy & Gill, 2016; Meloy, Habermeyer, & Guldimann, 2015; Meloy, 2017) is a collection of 18 behavior-based warning signs for terror incidents. There are eight proximal characteristics and ten distal characteristics. The aim of this review was to identify studies which have utilized the TRAP-18 either prospectively (operational use) or retroactively or studies which have investigated the validity and reliability of the TRAP-18. A total of 17 relevant papers were identified in the review including six case studies and eleven empirical papers.

Citation

Allely, C., & Wicks, S. (2022). The feasibility and utility of the Terrorist Radicalization Assessment Protocol (TRAP-18) : a review and recommendations. Journal of Threat Assessment and Management, 9(4), 218-259

Journal Article Type Article
Acceptance Date Feb 15, 2022
Publication Date 2022-12
Deposit Date Feb 16, 2022
Publicly Available Date Feb 16, 2022
Journal Journal of Threat Assessment and Management
Print ISSN 2169-4842
Electronic ISSN 2169-4850
Publisher American Psychological Association
Peer Reviewed Peer Reviewed
Volume 9
Issue 4
Pages 218-259
Publisher URL https://psycnet.apa.org/buy/2022-51960-001
Related Public URLs http://www.apa.org/pubs/journals/tam/index.aspx
Additional Information Access Information : ©American Psychological Association, 2022. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. The final article will be available, upon publication, at: http://www.apa.org/pubs/journals/tam/index.aspx

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