The next time someone says they used 5-Whys to investigate an accident, just thing …

5-Whys = Root Cause Analysis Malpractice

Because 5-Whys is almost always root cause analysis malpractice. If you don’t believe it, assign someone who is good at 5-Whys to analyze a problem and someone who is good at using TapRooT® to analyze the same problem. Look at the results and you will see what I’m talking about.

That’s the lesson learned for today.