In this Quality Progress (ASQ) article, a case study at an auto parts maker demonstrates a new way of calculating the cost of quality (COQ). The study focuses on the trade-off relationships among various quality cost categories. The authors calculated the point of balance, or the lowest COQ value, by comparing related total quality costs.Read th full article here.

This article in Quality Progress describes Cause and
Effect Trees, which are used during risk assessments to identify dominant potential contributors before an incident occurs. They also show design and operational errors. “And” and “or” gates connect the sets of causes and effects, and a single item can be both a cause and effect.Read the article here.