“gemba walk” (lean thinking term) to go to the actual place where value is added + “walkabout” (Australian aborigine) a short period of wandering bush life engaged as an occasional interruption of regular work
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I saw this diagram in a presentation and it made a lot of sense to me.
Over time people try to improve going from current practice to better using the PDSA cycle (Dr. Deming called it the Shewhart Cycle). Others call it PDCA (substituting “check” for “study”). I (and Dr. Deming) preferred the word “study”.
As you turn the PDSA cycle and make progress, you agree on the new way to do things (standard work) which serves as a kind of a wedge that keeps you from slipping back to the old way.
What I have noticed is that sometimes people insert another wedge (shown as black) in the diagram below. So, progress gets stopped because some seem to believe that standard work doesn’t get adjusted as you make improvement.
