PDCA (plan–do–check–act) is an iterative four-step management method used in business for the control and continuous improvement of processes and products.
It is also known as the Deming circle
1. Closed – loop control
system
PDCA
Example
Walter Shewhart
W.E. Deming Popularized
Continual
improvementPurpose
Evaluating
processes
Purpose
Plan Do Check Act
Tools
Cause & Effect
diagram
Brainstorming
flowcharts
Non - numerical
data
Control Chart
Numerical data Histogram
Pareto Diagram
Other tools Other tools
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