plan-do-check-act Plan-Do-Check-Act Cycle ASQ Plan-Do-Check-Act Cycle (PDCA) PDCA cycle American Society for Quality (ASQ) – Plan Do Check Act the Deming cycle As described by the American Society for Quality Process Analysis Plan-Do-Check-Act Cycle (PDCA) Plan-Do-Check-Act Cycle Plan-Do-Check-Act (PDCA) Cycle Plan-Do-Check-Act (PDCA) PDSA Plan–Do–Check–Act Cycle Plan-Do-Check-Act Cycle ASQ: Plan-Do-Check-Act (PDCA) Cycle asq.org PDCA Cycle Plan-Do-Check-Act Plan-Do-Check-Act Cycle American Society for Quality: Plan-Do-Check-Act Cycle Plan – Do – Check – Act (PDCA)