Research report submitted to the U.S. Department of Justice (Award nr. 2008-IJ-CX-0015). Ficheiro de 6,03 MB em formato PDF (178 p.). Resumo inserto na publicação.

"There is a critical lack of scientific evidence about whether deadly force management,accountability and training practices actually have an impact on police officer performance in deadly force encounters, the strength of such impact, or whether alternative approaches to managing deadly force could be more effective. The primary cause of this lack is that current tools for evaluating officer-involved shootings are too coarse or ambiguous to adequately measure such highly variable and complex events. There also are substantial differences in how key issues associated with police deadly encounters are conceptualized, even by subject matter experts, how agencies can or should train for them, and what officers should—or reasonably can—be held accountable for. As a consequence, trainers and policy makers have generally been limited by subjective or rough assessments of deadly force performance or how challenging a deadly force situation was. Our research addressed this problem by using a novel pairing of two well-established research methods, Thurstone scaling and concept mapping. With them, we developed measurement scales that dramatically improve our ability to measure police officer performance in deadly force encounters. We expect that these metrics will make it possible to better evaluate the impact of management and training practices, refine them, and make assessment of accountability more just and reasonable."