Knowledge management (KM) is a set of relatively-new organizational activities that are aimed at improving knowledge, knowledge-related practices, organizational behaviors and decisions and organizational performance. KM focuses on knowledge processes—knowledge creation, acquisition,...

Researchers commonly use secondary data counts of police employees from police agencies. There has been some concern with using such data, yet there have been no published systematic assessments of their reliability.

A historical analysis of activity time estimates made by a number of contractors on a large-scale systems development project is conducted using two basic hypotheses. (1) Pre-activity time estimating accuracy improves as the beginning date of the activity approaches. (2) Time estimates made...