ROSS, L E The effect of equal reinforcement of the positive and negative discriminanda of a learned discrimination. [electronic resource] - Journal of comparative and physiological psychology Apr 1962 - 260-6 p. digital Publication Type: Journal Article ISSN: 0021-9940 Standard No.: 10.1037/h0042258 doi Subjects--Topical Terms: Discrimination LearningLearningReinforcement, Psychology