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  • regis hattori thinks this is interesting:

In other words, with Toyota’s approach, we cannot wait for the next scheduled weekly or biweekly review cycle to come around. If we wait that long to check, then our progress will be too slow.

Note

this is contrary to Ronaldo idea, that is experiment some improvement for some weeks. I agree with Ronaldo. I think time is needed to know the real effects of changes.