HumphreysL. G.The effect of random alternation of reinforcement on the acquisition and extinction of conditioned eyelid reactions. J. exp. Psychol., 1939, 25, 141–158.
3.
LawrenceD. H.FestingerL.Deterrents and reinforcement: The psychology of insufficient reward. Stanford, Calif.: Stanford Univer. Press, 1962.
4.
WikeE. L.McNamaraH. J.The effects of partially delayed reinforcement on the acquisition and extinction of an instrumental response. J. comp. physiol. Psychol., 1957, 50, 348–351.