Measurement Systems Analysis for Attributes, Part 1

Common sense says it is beneficial to understand the capabilities and limitations of inspections for attributes

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Measurement Systems Analysis for Attributes, Part 2

Measurement systems analysis (MSA) for attributes, or attribute agreement analysis, is a lot like eating broccoli or Brussels sprouts. We must often do things we don't like because they are necessary or good for us. While IATF 16949:2016, Clause 7.1.5.1.1—“Measurement systems analysis,” does not mention attribute agreement analysis explicitly, it does say that MSA shall be performed to assess “variation present in the results of each type of inspection, measurement, and test equipment system identified in the control plan.” It does not limit this requirement to the familiar real-number measurements with which we are comfortable.

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Dental example

There was a health care example of an attribute MSA in which dental residents had to count the number of roots in teeth, which is important in preparation for a root canal. The teeth with one or two roots were straightforward but molars with three or four were not. https://www.researchgate.net/publication/337731165_Measurement_System_A…