Reducing adolescent cell phone usage using an interdependent group contingency.

The purpose of this study was to test the effects of an interdependent group contingency on cell phone usage in an alternative high school classroom. We used an ABAB reversal design to test the effects of the contingency on the cell phone usage of the entire class and an individual student. Results showed a reduction in the cell phone use of the class and the individual when the group contingency was in effect, demonstrating a functional relation between the contingency and student cell phone usage. These findings suggest that group contingencies may be efficacious for teachers to use within their classrooms to curb cell phone usage. Further study of this intervention is warranted to determine its generality.