Fatigue associated with shift work influences how officers interact day-to-day during encounters with the public, which can either build or erode trust in the police.
Results show that experienced police patrol officers who worked day shifts were significantly more likely to manage simulated encounters with the public in ways that resulted in full-on cooperation - and significantly less likely to have encounters escalate into violence - when compared with officers working the other three shifts.
‘Better fatigue management might improve officers' ability to deftly manage encounters with the public in ways that win cooperation.’
Advertisement"Our results indicate that officers who work biologically normal day shifts perform much better than those on other shifts," said principal investigator Bryan Vila, PhD, professor of criminal justice and criminology at Washington State University, Spokane. "This suggests that better fatigue management might improve officers' ability to deftly manage encounters with the public in ways that win cooperation and reduce the need for use of force."
The research abstract was published recently in an online supplement of the journal Sleep.
The study group consisted of 50 experienced police patrol officers (selected from day and night shifts). Experiments were conducted in a controlled laboratory environment during which participants responded to 12 different tactical social interaction (TSI) scenarios randomly drawn from 26 video scenarios in a deadly force judgment and decision making simulator. These scenarios had multiple branches, so each had the ability to either end peaceably or escalate to violence based on officers' actions during the encounters. Participants wore a wrist actigraph for seven days immediately preceding each experimental day to measure time awake and total sleep.
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