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Voice of the Customer (VOC) Tree Diagram -


What is a Tree Diagram?

A Tree Diagram is a type of chart where a concept is successively broken down into subconcepts with increasingly higher levels of detail. It therefore resembles a tree in its finished state, with the main concept serving as the trunk, while subconcepts branch off.

For a better understanding of a Tree Diagram and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

Elisabeth Swan

Elisabeth is a Master Black Belt at, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. For over 30 years, she's helped leading organizations like Amazon, Charles Schwab and Marriott International, Inc. build problem-solving muscles with Lean Six Sigma to achieve their goals.
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