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Who helps, who intervenes?: Understanding bystander characteristics and intervention using audio-vignettes involving mental health scenarios
Journal article   Open access   Peer reviewed

Who helps, who intervenes?: Understanding bystander characteristics and intervention using audio-vignettes involving mental health scenarios

Michelle N. Harris, Chrystina Y. Hoffman and Rebecca H. Konkel
Journal of experimental criminology, Vol.online ahead of print
10/14/2025
Web of Science ID: WOS:001592730300001

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Abstract

Objectives : The current study examines how situational context and bystander characteristics influence bystander intervention in scenarios involving a victim experiencing a mental health crisis. Methods: Using a national demographically matched sample of 850 adults in the United States and a factorial design with audio vignettes (which varied in victim symptomatology, victim/offender sex, event location, and type of victimization), we examined how the context and characteristics of bystanders influence indirect and direct bystander intervention. Results: Using logistic regression models, results show that all varied situational factors influenced bystander intervention. Several domains of bystander characteristics, including those specific to mental health, biopsychosocial factors, and demographics impacted bystander intervention. Conclusions: Understanding who intervenes and why is essential for developing strategies that foster sustained engagement. Our findings provide avenues to ensure the durability of intervention effects through targeting individual characteristics and motivations that influence decision-making in behavioral crisis situations.
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