Ishikawa System Limitations ALEJANDRO VILLAFANEZ ZAMUDIO, Teacher, Mexico, Member The Ishikawa system is a practical, solid tool for solutions of the quantitative problems. But when getting into subjective or qualitative factors it is a very weak application because of the difficulty in the interpretation of the human factor.
Ishikawa System Limitation and a Solution
Ian Ceazar Barias, China, Member Ishikawa is just one of the tools you can use in the course of the problem solving process.
There is one tool you can use for the qualitative analysis for human factor that is the Kappa analysis. This is another tool used in 6-sigma methodology for subjective / qualitative analysis.
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