CUMMING, W W Characteristics of responding under a temporally defined reinforcement schedule of long cycle length. [electronic resource] - Journal of the experimental analysis of behavior Jan 1961 - 73-80 p. digital Publication Type: Journal Article ISSN: 0022-5002 Standard No.: 10.1901/jeab.1961.4-73 doi Subjects--Topical Terms: HumansLearningReinforcement Schedule