Research and consultation in the natural environment
CASE STUDIES IN BEHAVIOR MODIFICATION 335
per day to two per day. The rate fell to zero by the fifth day and during the next
3 weeks never rose above one per day.
Evaluation
By the end of a seemingly simple 3-week modification procedure, the teacher
reported Tyrone’s aggressive behavior as successfully controlled. The modification
program was discontinued at that time. Contact with Tyrone’s teacher was main-
tained throughout the y
