KAPLAN, M The effects of noxious stimulus intensity and duration during intermittent reinforcement of escape behavior. [electronic resource] - Journal of comparative and physiological psychology Dec 1952 - 538-49 p. digital Publication Type: Journal Article ISSN: 0021-9940 Standard No.: 10.1037/h0055989 doi Subjects--Topical Terms: BehaviorHumansLearningReinforcement, Psychology