The PDCA cycle—Plan, Do, Check, Act—is the gold standard for continuous improvement. However, because it is so widely used in business exams, Lean Six Sigma certifications, and management courses, "trick questions" often arise regarding what does and does not belong in the framework.
If you are looking to identify , this guide will clarify the four authentic stages and highlight the common "imposter" stages that often confuse practitioners. The Four Authentic Stages of PDCA
Similar to "Review," "Evaluate" is a common trap. Evaluation is a component of the phase, but it is not a primary stage of the cycle itself. 5. "Define" or "Measure"