This document discusses principles of supervision. It defines supervision as overseeing or directing the work of subordinates. Several definitions are provided, including that supervision involves advising, helping, inspiring, leading, and liberating subordinates. The document then lists 18 principles of effective supervision, such as ensuring high quality and productivity, effective communication, motivating employees, managing conflict and change, providing staff training and orientation, and appraising performance through constructive criticism and opportunities for improvement. References include various websites for additional information on supervision principles.