Describe 4 problems with the 5 whys approach.
Answer: Not data driven so its not repeating, biasing the results, effectiveness if limited to personal experience, doesn't account for multiple causes, is okay for simply issues but you should use a more data driven tool for high risk or important problems.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.