Say “root cause analysis” in any cocktail party and you’ll hear back “Ishikawa diagram”. Ok, that might work only with cocktail parties that cater to engineers, but an Ishikawa diagram is the de-facto tool of many to diagnose a problem. So let’s look how it differs from our de-facto diagnosis tool: the “why” issue tree.
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At various points in the problem-solving approach you’ll need to be as collectively exhaustive as possible. That means that you must consider big things and small things. But it doesn’t mean that you need to treat them all the same or that you need to treat them in a random sequences. Instead, use the Pareto principle: start and/or focus on the 20% of your causes that amount to the 80% of consequences. Related Posts: |
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