Most of us realize that no plan remains intact as written following its first introduction to reality. Those who do not know that are not paying attention. So what do we do about that?
Edward Deming articulated a process now referred to as plan-do-check-adjust (PDCA). The following explanation of Mr. Deming’s cycle would probably cause him to blanch. PDCA is based on the same rational approach as the scientific method: observe, gather data, hypothesize, and test then repeat until you cannot disprove your hypothesis.