Plan, Do, Study, Act (PDSA) cycle

A four-step process for quality improvement that often represents the continuous improvement process. In the first step (plan), a plan to effect improvement is developed. In the second step (do), the plan is carried out. In the third step (study), the effects of the plan are observed. In the last step (act), the results are studied to determine what was learned and to make decisions about moving forward.

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