Cepeda Islas, M. L., Moreno Rodríguez, D., Hickman Rodríguez, H., Arroyo Hernández, R., & Plancarte Cancino, P. (2011). Task domain and verbal descriptions in the development of general rules of performance. Mexican Journal of Behavior Analysis, 37(2), 117–138. https://doi.org/10.5514/rmac.v37.i2.26143