Old Lean Dude
A Blog About Understanding The Toyota Production System and Gaining Its Full Benefits, brought to you by "The Toast Guy"
Category Archives: 5 Whys
All Whys Are Not The Same
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In my last post, I reflected on a couple different whys to interrogate a process – either to solve a problem or to create a process improvement. Here..
This entry was posted in
5 Whys,
Ask Why,
Ask Why Not,
Purpose expansion
on
August 12 , 2026.
Problem Solving and Continuous Improvement Are Not The Same
According to Shigeo Shingo, a subtle but important distinction exists between problem-solving and continuous improvement.
This entry was posted in
continuous improvement,
problem solving,
A3,
ryuji fukuda,
shigeo shingo,
5 Whys
on
August 10 , 2026.