Emphasizing causation and motivation, this guide to safety training for foremen and supervisors in industry provides a method for correcting an employee, whether after an accident or after detection of an unsafe act, through an interview designed to find the reasons behind the act. Supervisory responsibility for safety is indicated, together with steps in orienting the supervisors themselves toward a view of safety as being trainable and controllable. Specific safety training content and techniques are suggested. Specific causes of unsafe acts are also described: inadequate skill, display of manhood, job competency or established skill, striving for higher earnings, job security, distractions, and seeking the approval of fellow workers. Each cause is further illustrated through case studies designed for supervisory role playing. (ly)