Who originated the 'Five Whys' approach?

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Multiple Choice

Who originated the 'Five Whys' approach?

Explanation:
The Five Whys is a simple root-cause analysis method that involves asking “Why?” repeatedly to move from surface symptoms to the underlying problem. It originated with Sakichi Toyoda, the inventor and founder of Toyoda (later Toyota). He used this approach to dig into why problems occurred in production, aiming for fundamental improvements rather than quick fixes. Taiichi Ohno later popularized and formalized many lean practices within the Toyota system, including the Five Whys, but the original idea is credited to Toyoda. The other figures listed aren’t associated with originating this technique.

The Five Whys is a simple root-cause analysis method that involves asking “Why?” repeatedly to move from surface symptoms to the underlying problem. It originated with Sakichi Toyoda, the inventor and founder of Toyoda (later Toyota). He used this approach to dig into why problems occurred in production, aiming for fundamental improvements rather than quick fixes. Taiichi Ohno later popularized and formalized many lean practices within the Toyota system, including the Five Whys, but the original idea is credited to Toyoda. The other figures listed aren’t associated with originating this technique.

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