KJ Analysis

Effective Use of Special Purpose KJ Language Processing

KJ Analysis is a method of developing insight into themes and relationships among issues. It helps drill from high-level issues at one level of context (usually abstract or vague) to a more detailed set of common, reusable statements. KJ is particularly useful in software because people have a tendency to state problems as abstract characteristics…

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Tree Diagrams for Six Sigma: Plain and Simple?

David L. Hallowell

With the complexity of many of the tools in the Six Sigma kit, it is easy to look at tree diagrams as fairly simple and routine. Experience shows, though, that there are enough pitfalls encountered and benefits missed that it is worth consolidating a few time-won guidelines and tips about applying them and explanations on…

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Language Data: The ‘Other Data’ of Six Sigma, Part 2 of 2: Using Language Data

David L. Hallowell

Part 2 of this article focuses on helping practitioners understand the tools used for processing language data in Six Sigma work.Part 1 – Nature of Language Data is about the role language data plays in Six Sigma, how to understand it, including the types and refinement of the data, as well as how to gather it…