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Implementation of trauma-informed policing is developing at pace; however, evidence of impact is limited. This study examines the impact of trauma-informed practice (TIP) training (trainees, n = 358) across two police forces in England. 316 trainees completed a pre- and post-training survey measuring attitudes/knowledge relating to TIPs (229 matched for paired analyses). Compared to pre-training, post-training participants were significantly more likely to agree with statements relating to trauma-informed knowledge/attitudes (effect sizes: medium-large). The study suggests positive impacts of training. Further evaluation is required to determine wider impacts for police forces and partners, those encountering the criminal justice system, and the wider community.
Quigg et al. (Fri,) studied this question.