Paradoxical Effects of a Visual Warning of Body Worn Cameras on the Use of Police Force
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In this field experiment, presenters tested the effects of a visual warning of body-worn cameras (BWCs) on use-of-force incidences. A six-month cluster-randomized controlled trial involving spatiotemporal police units was conducted. The units were randomly assigned to the experimental group, which included officers who wore BWCs featuring multiple yellow stickers and a "VIDEO & AUDIO" logo. Officers in the control group were equipped with BWCs without yellow stickers. The results showed statistically significant differences in the use of force by officers. Namely, higher rates of use of force in officers equipped with BWCs with yellow stickers, relative to officers using BWCs without the yellow stickers.
- Understand the results of Assaraf et al. (2024).
- Comprehend how this study was implemented in the field.
- Discuss how academic research related to technology can be conducted successfully at a police department.
Noel Castillo, PhD
Officer/Training Unit
Miami Beach, Florida, Police Department
Ofc. Noel A. Castillo has worked in the law enforcement/correctional field for the past twenty-five years. As a police officer with a sound academic background, he has conducted and assisted with research in the areas of body worn cameras, officer wellness, use of force and juvenile issues. Noel has received awards for his work as a Hostage Negotiator, Training Officer and for the implementation of community outreach programs. Noel has a Bachelor of Science in Criminal Justice from Florida International University, Master of Public Administration from Barry University, and a PhD in Criminal Justice from Nova Southeastern University. He is a US Army veteran.
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