MsKwan Has Several Students Who Are Chronic Misbehavers

Ms.Kwan has several students who are chronic misbehavers.She meets individually with each student, and together she and the student agree to a plan for improving the student's behaviour and a suitable reinforcement for appropriate behaviour change.Ms.Kwan is using:

A) reinforcement of an incompatible behaviour.
B) a contingency contract.
C) self-reinforcement.
D) self-monitoring. .