Ingersoll B D, Nash D A, Gamber C
J Am Dent Assoc. 1984 Nov;109(5):717-9. doi: 10.14219/jada.archive.1984.0170.
Contingent reinforcement procedures such as those used in this study appear to be a practical and effective means of reducing uncooperative child behavior during dental treatment. The cost of the equipment is modest and, as the equipment can be operated by means of a foot pedal, contingent reinforcement procedures can be implemented without interfering with ongoing activities.