Control Points. Process measurement is also a part of the control mechanisms established to maintain
planned performance in the new process. To control the process requires that each of a few
selected process variables be the control subjects of a feedback control loop. Typically, there will be
five to six control points at the macroprocess level for variables associated with: external output,
external input, key intermediate products, and other high-leverage process points.
The control points in the special-contract management process are represented graphically in
Figure 6.8. Feedback loop design and other issues surrounding process control are covered in detail
in Section 4, The Quality Control Process