**developing**MSA or FMEA or anything else. They are parroting work done by others and are only responding to persistent criticism by thought leaders in industrial statistics.

True knowledge comes form independent thought, research and critical thinking that challenges your assumptions not by seeking to validate your assumptions...

FWIW, the science and mathematics of categorical data MSAs is well established. The kappa statistic however, is one of those ‘easy’ yet misleading statistics. Bettter to use an iterative process, the mcnemer statistic and real thought about the process. I will add a paper I wrote on this process to the resources section today....