(5.2.4.2) Group organization is not a hierarchical classification
Many people try to classify pieces hierarchically. Jiro Kawakita strongly disliked it. He said the classification is tyranny and is not democratic.
Fig: Do not classify hierarchically
Understanding the characteristics of the classification is important to make use of the KJ method. I explain further.
Engineer's way of creating knowledge > (5) How to organize information > (5.2) How to organize too much information > (5.2.4) You need to change your mental model for group organization > (5.2.4.2) Group organization is not a hierarchical classification