The model has two parts:
- Three fundamental questions, which can be addressed in any order.
- The Plan-Do-Study-Act (PDSA) cycle** to test and implement changes in real work settings. The PDSA cycle guides the test of a change to determine if the change is an improvement.
Including the right people on a process improvement team is critical to a successful improvement effort. Teams vary in size and composition. Each organization builds teams to suit its own needs.
Forming the Team