Posts in category Methodology

Learn the in’s and out’s of DMAIC and DMADV, including individual methods, quality control standards and industry trends, with these articles from Six Sigma Daily – your source for Six Sigma news and information.


MethodologySix Sigma

Poka-Yoke: Part 3 More Examples

The service world has recognized the value of poka-yoke during the last several years. One way of applying error-proofing (poka-yoke) in the service sector is to devise a “task” poka-yoke. A task poka-yoke concentrates on the tasks that a server must perform and devises methods to assure the task is completed correctly. A popular example of a task poka-yoke is the automatic change dispenser that you encounter in many stores.

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MethodologySix Sigma

Poka-Yoke: Part 2 Real Life Examples

A small assembler provides wiring harness assemblies for a particular automotive electronic controller. There are several part numbers and many of the parts for each part number look very much alike. So it isn’t surprising that the company has received complaints from the automotive assembly plants that some harnesses have incorrect components (which have to be changed out on the assembly line causing delays).

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MethodologySix Sigma

Poka-Yoke: Part 1

Poka-yoke (poh ka yoke) is a mistake-proofing approach to eliminating errors that was developed by the Japanese engineer Shiego Shingo in the 1960s. The word “poka-yoke” is derived from a Japanese word that means “to avoid errors.” Poka-yoke makes use of simple but effective tools and signals to prevent errors from occurring.

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MethodologySix Sigma

Prioritization Matrix Criteria & Method

A Prioritization Matrix is typically an L-shaped matrix which makes pairwise comparisons of established criteria and options. The prioritization matrix is a rigorous method and requires skill to use effectively. It is also applicable to many situations and has several different configurations. To be used effectively, the criteria and the options must be clearly developed and a scheme for weighing them must be applied.

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