Oct 24, 2023 · Plan-Do-Check-Act Cycle (PDCA) is a four-step, iterative by-design method used for control and continual improvement of processes and products. It is also known as the Plan-Do-Study-Act (PDSA) cycle, Deming cycle, Control Circle/Cycle or the Shewhart cycle. The PDCA cycle (Image source: Shutterstock [1]) PDCA is an evidence-based participatory PLAN the change or improvement. 2. DO: Conduct a pilot test of the change. 3. CHECK: Gather data about the pilot change to ensure the change was successful. 4. ACT: Implement the change on a broader scale. Continue to monitor the change and iterate as necessary by repeating the cycle. The Plan-Do-Check-Act model is a helpful tool that can be used for a number of applications: Exploring and testing multiple solutions in a small, controlled trial; Avoiding waste by catching and adapting ineffective solutions before rolling them out on a large scale; Implementing change and continuous improvement Sarah Lewis. The OODA loop (Observe, Orient, Decide, Act) is a four-step approach to decision-making that focuses on filtering available information, putting it in context and quickly making the most appropriate decision while also understanding that changes can be made as more data becomes available. The strategy is applicable at an individual The application of the process approach in a quality management system enables: a) understanding and consistency in meeting requirements; b) the consideration of processes in terms of added value; c) the achievement of effective process performance; d) improvement of processes based on evaluation of data and information. As a teacher, Deming created a (rather oversimplified) diagram to illustrate this continuous process, commonly known as the PDCA cycle for Plan, Do, Check, Act*: PLAN: Design or revise business process components to improve results; DO: Implement the plan and measure its performance; CHECK: Assess the measurements and report the results to .

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