Definition: Plan, Do, Check, Act is a cycle of activities designed to drive continuous improvement. Initially implemented in manufacturing, it has broad applicability in business. First developed by Walter Shewhart, it was popularized by Edwards Deming.
Also Known As: Shewhart cycle, Deming cycle, PDCA
Alternate Spellings: Plan-Do-Check-Act cycle
Examples:We have reduced our error rate since we implemented the Plan, Do, Check, Act cycle in manufacturing.