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Research summarizes the construction of a Police Officer’s Tacit Knowledge Inventory (Inventory), a situational judgment test comprised of knowledge gained on-the-job by experienced police officers, and examines if it can play a role in the development of expertise. Correlation and regression analysis was done to establish the Inventory’s ability to predict post-Academy graduation performance. Results show that Inventory response patterns correlate with Supervisor ratings; and the Inventory responses correctly predict significant differences between novice patrol officers and experienced police officers.

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This is an author's accepted manuscript of an article published in Police Practice and Research: An International Journal, (2013). Copyright Taylor & Francis, available online at DOI: 10.1080/15614263.2013.802847.