I get many emails about the validity of Risk Maps, Risk Scores and Risk Matrices in risk analysis.  I know there are a lot of passionate proponents of these methods (and many heavily-invested vendors) but there is still no evidence that such methods improve forecasts or decisions.

Read my skeptical look at many risk analysis methods in the OR/MS Today and Analytics articles (See the Articles page).  I compiled quite a lot of research in these articles and even more in my book that should lead any manager to be suspicious about whether the perceived effectiveness of these methods is real or imagined.

I’ve updated the upcoming second edition of How to Measure Anything with even more research in that vein.  Stay tuned and post your comments.

Doug Hubbard

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