Rachel Is Acting Out in Her Mathematics Class

Multiple Choice

Rachel is acting out in her mathematics class. She gets so frustrated that she starts to throw things. The school psychologist provides her with a relaxation strategy as an intervention and observes her behavior. The relaxation strategy is removed as a requirement and her classroom behavior is again observed. The school psychologist then again requires the relaxation strategy. Which of the following designs is the school psychologist illustrating?

A) A-B
B) A-B-A
C) B-A-B
D) A-B-A-B