Reed, P., & Doughty, A. H. (2005). Within-Subject Testing Of The Signaled-Reinforcement Effect On Operant Responding As Measured By Response Rate And Resistance To Change. Journal of the Experimental Analysis of Behavior, 83(1), pp. 31-45. doi:10.1901/jeab.2005.69-02

Reed, Phil, and Adam H. Doughty. "Within-Subject Testing Of The Signaled-Reinforcement Effect On Operant Responding As Measured By Response Rate And Resistance To Change." Journal of the Experimental Analysis of Behavior 83, no. 1 (2005): 31-45.

Reed, Phil, and Adam H. Doughty. "Within-Subject Testing Of The Signaled-Reinforcement Effect On Operant Responding As Measured By Response Rate And Resistance To Change." Journal of the Experimental Analysis of Behavior 83.1 (2005): 31-45.