ProjectSelection,C&E&FMEA(ppt 34页)(英文)

CT = “Critical To…”
CTS - Critical To achieving customer Satisfaction.  Typically, this includes, but is not limited to, those parameters which are
CTQ - Critical to Quality
CTD - Critical to Delivery
CTC - Critical to Cost    
Six Sigma Leads you to the “Critical” to Increase the Efficiency of the Improvement Process…..Work on What is Important

Six Sigma Term
KPOV’s:
Key Process Output Variables. The results of the collective action of KPIV’s in a process on a product
The process outputs critical to achieving the CTX’s,
In Golf as an Example
Distance hit or degrees off line from tee to hole 
KPIV’s:
Key Process Input Variables. Those process variables that directly and/or in conjunction with other KPIV’s, drive a change in an output variable