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Updated: Aug 7, 2026

Modeling Verbal Behavior Deficits with the Stimulus Control Ratio Equation, SCoRE
Published on: May 14, 2019
Control of an obscene "verbal tic" through timeout in an elementary school classroom
B B Lahey1, M P McNees, M C McNees
1Florida Technological University and Orange County.
Abstract:
A classroom teacher modified the behavior of a 10-yr-old student who had a high rate of obscene vocalizations accompanied by facial twitches. In the first phase, the subject was instructed to repeat rapidly the most frequent obscene word in four daily 15-min sessions. This procedure reduced the frequency of obscene vocalizations, but not to an acceptable level. Subsequently, the teacher was able effectively to control the target behavior using a timeout procedure.
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