Critical Characteristic
Any characteristic, feature or parameter
that can be actually measured, (usually using variable
type data), to evaluate the quality
and/or reliability of a design or process
that is deemed to be the most susceptible to the design or process
performance and/or design or process safety. Should be defined as what
parameters need to be monitored for six
sigma. (also see our page DFSS,
design for six sigma)
You may want to do a criteria
matrix on these types of characteristics. They should be defined
during the initial PDR,
(Prototype Design Review).