The procedures are based on an analysis of officer workload with respect to the amount of time required to complete various tasks in four categories: reactive; proactive, self-initiated and community policing; proactive, uncommitted patrol; and administrative. The procedures rely on historical data and user- supplied performance objectives. Individual chapters present an overview of the methodology, guidelines regarding general implementation strategies and issues of data definition and collection, a recommended data collection and implementation procedure, data requirements. Appended glossary, completed worksheets, and derivations of the major formulas used