Couverture de Five-minute Deming: Plan-Do-Study-Act

Five-minute Deming: Plan-Do-Study-Act

Five-minute Deming: Plan-Do-Study-Act

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 Many management teams are praised for speed. They launch new initiatives and talk about momentum as if motion itself were evidence of progress. But fast action without disciplined learning creates a different problem: we spread assumptions through the system before we know whether they are sound.That is why W. Edwards Deming’s Plan-Do-Study-Act matters. It gives leaders a way to slow down certainty without slowing down improvement. In the long run, it produces better service, lower waste, and a steadier reputation.Why leaders need more than a pilotPlan-Do-Study-Act (PDSA) is often described as an improvement cycle. That is true, but it can sound smaller than Deming intended. PDSA is a way to connect theory, prediction, action, and learning.Plan means more than choosing an idea. It means stating what you think is happening, what change you want to test, and what you predict will follow. Do means carrying out that test, usually on a limited scale. Study means comparing the result with the prediction and taking surprises seriously. Act means deciding whether to adopt the change, abandon it, or run another cycle with a better theory.Deming put the underlying point simply: “Management in any form is prediction.”Management in any form is prediction.— W. Edwards DemingThat is what many change efforts skip. We move from concern to action without ever being clear about the theory behind the action. Then we mistake activity for learning, or a short-term result for proof.A story from commercial property management makes the problem easy to see.What Harbor Point learned by slowing downAt Harbor Point Property Group, the executive team was under pressure. Tenants in three downtown office buildings were complaining about slow maintenance work, repeat visits, and weak communication from the service desk. Renewal season was approaching, and nobody wanted owners asking why routine service felt unreliable.Claire, the head of operations, opened a Monday meeting with a familiar managerial move. She wanted speed, clarity, and a visible response.“We need faster resolution times. I want every building manager under four hours for routine maintenance requests by next month.”It sounded decisive. Complaints were rising. The pressure to look responsive was real.But Jordan, the regional operations director, had spent the previous week reading work-order notes from the buildings. He saw something Claire’s demand did not explain. Some tickets stayed open too long. Others were closed quickly, then reopened. Vendor dispatches were inconsistent. Tenant descriptions were often incomplete. The pattern looked messy, not simple.When Claire pressed him, Jordan answered with the line that changed the meeting.“I think we know the symptom. I’m not sure we know the problem yet.”That was the turning point. Instead of accepting a broad portfolio-wide push for faster close times, Jordan proposed a PDSA cycle. One building. One category of request. Two weeks. Plumbing calls in Franklin Tower only.“Two weeks feels slow,” Claire said.“Only if we confuse motion with learning,” Jordan replied.This was the Plan stage, and he made it concrete. The service desk would ask three new intake questions before dispatching a plumber. Building staff would classify each request by severity. Vendors would receive tighter work orders with tenant access details and photos when available. Jordan’s prediction was clear: first-visit completion would improve, repeat visits would fall, and tenant updates would improve even if average close time did not improve right away.That kind of planning is not paperwork.It is disciplined thinking.As Deming wrote: “Step 1 [Plan] is the foundation of the whole cycle.”Step 1 [Plan] is the foundation of the whole cycle.— W. Edwards DemingThe Do stage followed. For two weeks, Franklin Tower used the revised intake method only for plumbing calls. The service desk logged the new questions. Building staff tagged urgency consistently. Jordan reviewed requests daily to make sure the test was being carried out as planned.Then came Study. The headline result was mixed. Average close time improved only slightly. If Harbor Point had judged the test by a single visible metric, the effort might have been dismissed as disappointing.But the rest of the evidence told a more useful story. First-visit completion improved sharply. Repeat visits fell. Complaints about poor communication dropped. And one surprise stood out: the biggest delays were not coming from the plumbers. They were coming from incomplete tenant access information and late approvals for after-hours entry.Claire saw it immediately. The dispatch script had helped, but not in the way they first expected.“Right,” Jordan said. “We learned more than whether the average moved. We learned where the friction actually is.”That answer captured the real value of the cycle.That led to Act. Harbor Point kept the stronger intake questions, added a clearer ...
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