As with all structured psychological interventions, particularly those developed out of the cognitive-behavioral tradition, the first session of the mindfulness-acceptance-commitment (MAC) intervention is psychoeducational in nature. This chapter outlines the components of Module 1. It discusses the common obstacles faced during this critical module and addresses considerations for working with clients experiencing performance dysfunction. Performance is improved by learning to practice and train more efficiently and consistently and from the enhancement of psychological skills such as task-focused attention and poise. It is important to stress that a fundamental goal of MAC is to remove the effects of excessive cognitive activity from performance. Some clients may have been overtly or subtly coerced by family, coach, management, staff, or teammates/coworkers to seek out sport or performance psychology as a means of enhancing their performance. There are many possible psychological barriers to performance that do not reach clinical levels.