This document discusses preventive discipline techniques used in classroom and clinical settings. It defines discipline as training the mind and character to achieve desired behavior. Preventive discipline techniques are discussed in three aspects: physical environment, psychological aspects, and social aspects. For the physical environment, techniques include classroom management strategies like instructional methods, room arrangement, and setting clear expectations. For psychological aspects, techniques aim to create a supportive environment. For social aspects, developing a positive group climate and relationships between teacher and students is emphasized.