Know What's Happening in Manufacturing

Why You Can’t Think Your Way to a Root Cause

The article warns that root‑cause tools like fishbone diagrams and the five‑whys often produce only hypotheses, not verified knowledge. It urges teams to treat identified causes as testable assumptions and to run small, inexpensive experiments before committing to large‑scale changes. By asking “What do we know, and how do we know it?” leaders can expose uncertainty and avoid costly missteps. The piece highlights that humility and rapid testing are essential for sustainable continuous‑improvement cultures.