Systematically utilizing theory to guide clinical practice is integral to developing and maintaining therapist competency. However, helping Marriage and Family therapist trainees develop their own theory of change can be a challenging training component and more educational guides are needed to help facilitate the learning process. This paper introduces the Delta Model for conceptualizing systemic change as such a tool. The proposed Delta Model is introduced and guidelines for specifically teaching trainees at each level of the Delta are provided. The proposed model will be applied to a case vignette and discussion of additional considerations for applying the Delta Model beyond clinical practice will be reviewed.

系统地利用理论指导临床实践对于发展和维持治疗师的能力不可或缺。但是，帮助婚姻和家庭治疗师的受训者发展自己的变革理论可能是一项具有挑战性的培训内容，需要更多的教育指南来帮助促进学习过程。本文介绍了用于模型化系统变化的Delta模型作为一种工具。介绍了拟议的三角洲模型，并提供了专门针对三角洲每个级别的受训人员的指导原则。拟议的模型将应用于病例插图，并且将审查在临床实践之外应用Delta模型的其他注意事项的讨论。