Intermittent Reinforcement by Removal of a Conditioned Aversive Stimulus

Science  01 Jun 1962:
Vol. 136, Issue 3518, pp. 781-782
DOI: 10.1126/science.136.3518.781


Brief electric shocks were delivered at irregular time intervals but only while a light was on. A response was reinforced on a ratio schedule by the termination of the light. This method produced a high rate of response quite similar to that produced by a comparable schedule of food reinforcement.