The School Psychologist Observes Sandy and Records the Number of Times

Multiple Choice

The school psychologist observes Sandy and records the number of times he raises his hand in class to answer a question. She then provides individual daily counseling to increase self concept for one week. She observes Sandy in class on the last day of the counseling week and notices that hand?raising behavior has increased significantly. Sandy is observed again, one week after counseling is terminated, and the psychologist finds that hand?raising behavior has regressed back to baseline levels. Counseling is re?introduced and hand?raising increases once again. This is an example of

A) correlational research.
B) experimental method.
C) between subject design.
D) ABAB reversal.