Control Impact Matrix is a 2x2 prioritization matrix tool which if most often used in the Analyze phase of a DMAIC project. It helps prioritize the causes into 4 quadrants
1. High Control High Impact (HCHI)
2. High Control Low Impact (HCLI)
3. Low Control High Impact (LCHI)
4. Low Control Low Impact (LCLI)
Causes in the High Control High Impact quadrant are prioritized for solutioning.
An application-oriented question on the topic along with responses can be seen below. The best answer was provided by Glory Gerald and Natwar Lal. Congratulations to both.