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Ishikawa diagrams (also called fishbone diagrams, [ 1] herringbone diagrams, cause-and-effect diagrams) are causal diagrams created by Kaoru Ishikawa that show the potential causes of a specific event. [ 2] Common uses of the Ishikawa diagram are product design and quality defect prevention to identify potential factors causing an overall effect.
Five whys. Five whys (or 5 whys) is an iterative interrogative technique used to explore the cause-and-effect relationships underlying a particular problem. [ 1] The primary goal of the technique is to determine the root cause of a defect or problem by repeating the question "why?"
Based on T.P. Wright's original work on the man-machine-environment triad [ 3] at Cornell University, the 5M model incorporates a diagram of 3 interlocking circles and one all-encompassing circle. The smaller circles are labeled Man, Machine, and Medium; the intersecting space in the middle, where they all meet, is labeled Mission; while the ...
The disciplines are: D0: Preparation and Emergency Response Actions: Plan for solving the problem and determine the prerequisites. Provide emergency response actions. D1: Use a Team: Establish a team of people with product/process knowledge. Teammates provide new perspectives and different ideas when it comes to problem solving.
Control chart. Histogram. Pareto chart. Scatter diagram. Flow chart. Run chart. The seven basic tools of quality are a fixed set of visual exercises identified as being most helpful in troubleshooting issues related to quality. [ 1] They are called basic because they are suitable for people with little formal training in statistics and because ...
A quality circle or quality control circle is a group of workers who do the same or similar work, who meet regularly to identify, analyze and solve work-related problems. It consists of minimum three and maximum twelve members in number. [ 1] Normally small in size, the group is usually led by a supervisor or manager and presents its solutions ...
Ishikawa Prefecture (石川県, Ishikawa-ken) is a prefecture of Japan located in the Chūbu region of Honshu island. [ 2] Ishikawa Prefecture has a population of 1,133,294 (1 October 2020) and has a geographic area of 4,186 km 2 (1,616 sq mi ). Ishikawa Prefecture borders Toyama Prefecture to the east, Gifu Prefecture to the southeast, and ...
Measurement system analysis. A measurement system analysis ( MSA) is a thorough assessment of a measurement process, and typically includes a specially designed experiment that seeks to identify the components of variation in that measurement process. Just as processes that produce a product may vary, the process of obtaining measurements and ...