All of the Following Are Intervention Principles for ADHD,according to Pfiffner

Multiple Choice

All of the following are intervention principles for ADHD,according to Pfiffner and Barkley (1998) ,EXCEPT

A) reinforcers should remain consistently the same.
B) rules and instructions must be clear and brief.
C) consequences must be delivered swiftly and immediately.
D) consequences must be delivered more frequently than for other students.