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The Five Whys - Are We Doing it Wrong?

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As with several Lean concepts of the 20th Century, we should perhaps revisit our original interpretation of this one.

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Page 1: The Five Whys - Are We Doing it Wrong?

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Page 2: The Five Whys - Are We Doing it Wrong?

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Page 3: The Five Whys - Are We Doing it Wrong?

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Page 4: The Five Whys - Are We Doing it Wrong?

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Page 5: The Five Whys - Are We Doing it Wrong?

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Page 6: The Five Whys - Are We Doing it Wrong?

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Next Target

ConditionCurrent

KnowledgeThreshold

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Page 7: The Five Whys - Are We Doing it Wrong?

Cause 1 Cause 2 Cause 3 Cause 4

Why? Why? Why? Why? Why?

Cause 5

Are you sure? Can you test it?

Where are the facts?

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Are you sure? Can you test it?

Where are the facts?

A#

Page 8: The Five Whys - Are We Doing it Wrong?

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Condition Current

Target Condition

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Page 10: The Five Whys - Are We Doing it Wrong?

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Page 11: The Five Whys - Are We Doing it Wrong?

The scientific process can only confirm or refute; it doesn't define or limit what is possible ahead of time.

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Page 12: The Five Whys - Are We Doing it Wrong?

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