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Project Tools

Blog posts about statistical and practical tools used to manage quality improvement projects including Lean and Six Sigma initiatives.

I recently came across a good post about fishbone diagrams on Christian Paulsen's Lean Leadership blog.  Fishbones (also called cause-and-effect, C&E or Ishikawa diagrams) help you brainstorm potential causes of a problem--and see relationships among potential causes. Brainstorming frequently gets a bad rap.  Some people have had bad experiences with brainstorming sessions that were too loose, and... Continue Reading
Value stream mapping is a tremendously valuable tool for improving a process, but it requires patience and careful attention to details.  In an earlier post, I shared some value stream map guidelines to help ensure that the energy you invest pays off.  Here are some additional items to consider.   Identify critical paths and bottlenecks.Your map may reveal a number of potential areas... Continue Reading

7 Deadly Statistical Sins Even the Experts Make

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Value stream mapping is a cornerstone of the Lean process improvement methodology, and also is a recognized tool used in Six Sigma. A value stream map illustrates the flow of materials and information as a product or service moves through a process. Creating a “current state” value stream map can help you identify waste and also makes it easier to envision an improved state for process in the... Continue Reading