Assume a Discrepancy Exists Between the Actual State and the Set

Multiple Choice

Assume a discrepancy exists between the actual state and the set point in a negative feedback system. The aim of behavior in regard to this discrepancy is to

A) decrease the discrepancy only.
B) alter the discrepancy by either increasing or decreasing it.
C) increase the discrepancy only.
D) keep the discrepancy constant.