Final answer:
The Plan-Do-Check-Act (PDCA) Cycle is a quality improvement process with four key steps: Plan, Do, Check, and Act, based on the scientific method.
Explanation:
The Plan-Do-Check-Act (PDCA) Cycle, popularized by Deming, is a four-step process for quality improvement based on the scientific method. In the DO phase, a plan is executed, data is collected. In the CHECK phase, data is evaluated, and in the ACT phase, actions are taken to effect change.
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