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Area of Science:

  • Policing research
  • Evidence-based practice
  • Criminal justice studies

Background:

  • Randomized controlled trials (RCTs) are underutilized in policing compared to health and education.
  • The Connect trial, a pragmatic cluster-RCT, evaluated a training intervention for frontline officers.
  • This paper addresses the methodological and practical challenges of conducting RCTs in UK policing.

Purpose of the Study:

  • To identify and discuss the challenges in implementing randomized controlled trials within the police setting.
  • To provide insights based on the experience of the Connect trial.
  • To inform future research design and execution in police environments.

Main Methods:

  • The study discusses methodological and practical challenges encountered during the Connect trial.
  • Challenges are categorized under six key headings: unit of randomisation, population and sample size, co-production of evidence, time frame, outcomes, and organisational issues.
  • The Connect trial was a pragmatic, cluster-randomised controlled trial comparing face-to-face training with routine training.

Main Results:

  • The Connect trial faced challenges related to randomisation, sample size, evidence co-production, time constraints, outcome definition, and organisational factors.
  • Specific details on the effectiveness of the training intervention are not provided in this abstract.
  • The primary outcome measured was the number of police-attended incidents.

Conclusions:

  • Future police RCTs require strong collaboration between police and academia, with embedded police officers in trial management.
  • Engagement with police data analysts and review of IT systems are recommended for data acquisition.
  • Pragmatic trials are encouraged, with adequate time allocated for setup and ethical approvals.