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What is the main purpose of a control plan in CPI?

  1. To eliminate processes

  2. To monitor and sustain improvements over time

  3. To create new metrics

  4. To reduce workforce size

The correct answer is: To monitor and sustain improvements over time

A control plan is crucial in Continuous Process Improvement (CPI) as it provides a structured approach for monitoring processes to ensure that improvements are not only made but also sustained over time. The primary goal is to establish a set of procedures and metrics that allow organizations to track performance and identify any variations from the established standards or improvements. By focusing on performance indicators and regularly reviewing these metrics, a control plan helps teams remain aware of the current state of the processes. It facilitates timely interventions when deviations occur, thereby ensuring that the gains achieved through improvement initiatives are maintained and further built upon. This ongoing vigilance is what differentiates temporary fixes from lasting solutions in process improvement efforts, promoting a culture of continuous enhancement.