PDCA
ITERATIVE FOUR-STEP MANAGEMENT METHOD USED IN BUSINESS FOR THE CONTROL AND CONTINUOUS IMPROVEMENT OF PROCESSES AND PRODUCTS
Shewhart cycle; Deming Cycle; Deming Wheel; Plan-Do-Check-Act; Plan-Do-Check-Act Cycle; Plan-Do-Study-Act; Plan-Do-Study-Act Cycle; Plan Do Check Act; Plan Do Check Act Cycle; PDCA cycle; Deming circle; Demming cycle; Plan, Do, Check, Act; Deming cycle; Plan–do–study–act; Plan-do-study-act; Plan–do–check–act; Plan-do-check-act
PDCA (plan–do–check–act or plan–do–check–adjust) is an iterative design and management method used in business for the control and continual improvement of processes and products. It is also known as the Deming circle/cycle/wheel, the Shewhart cycle, the control circle/cycle, or plan–do–study–act (PDSA).