Which principle focuses on the ability to improve performance through correct practice mechanics?

The principle that emphasizes improving performance through correct practice mechanics is precision. This principle is vital because it highlights the importance of executing tasks accurately and consistently during practice. When performance is focused on precision, individuals are encouraged to pay close attention to the specifics of their technique and the execution of tasks, leading to better skill development and mastery over time.

Precision ensures that the foundations of skills are solid. For instance, in any physical or tactical discipline, executing movements or strategies correctly, rather than merely repeating actions inaccurately, will result in more effective learning and performance outcomes. This principle encourages individuals to refine their techniques, leading to enhanced overall proficiency.

The other principles mentioned, such as integration, progression, and coordination, focus on different aspects of skill development. Integration relates to combining various skills effectively, progression pertains to increasing the complexity or difficulty of tasks gradually, and coordination involves the synchronization of different movements or skills. All these are important in practice but do not directly address the necessity of practicing with correctness to improve performance as precisely.