Zimmerman, D.W. (1957). Durable secondary reinforcement: Method and theory. Psychological Review, 64, 373-383.
Zimmerman, D.W. (1959). Sustained performance in rats based on secondary reinforcement. Journal of Comparative and Physiological Psychology, 52, 353-358.
Zimmerman, D.W. (1960). Intermittent reinforcement of discriminatively controlled responses and runs of responses. Journal of the Experimental Analysis of Behavior, 3, 83-91.
Zimmerman, D.W. (1961). The effect of deprivation and satiation on secondary reinforcement developed by two methods. Journal of Genetic Psychology, 99, 139-144.
Zimmerman, D.W. (1963). Comment on the experiment of McNamara and Paige. Psychological Reports, 12, 466.
Zimmerman, D.W. (1963). Comment on "Additional comments on the Zimmerman effect." Psychological Reports, 12, 513-514.
Zimmerman, D.W. (1963). Influence of three stimulus conditions on the strength of a secondary reinforcement effect. Psychological Reports, 13, 135-138.
Zimmerman, D.W. (1963). Influence of conditions at the time of reinforcement on the strength of a secondary reinforcement effect. Psychological Reports, 13, 747-752.
Haywood, H.C., & Zimmerman, D.W. (1964). Effects of early environmental complexity on the following response in chicks. Perceptual and Motor Skills, 18, 653-658.
Zimmerman, D.W. (1966). Review of "One pigeon's career" and "Complex behavior chaining." Contemporary Psychology, 11, 455.
Zimmerman, D.W. (1967). Review of "Exercise in operant conditioning." Contemporary Psychology, 12, 378.
Zimmerman, D.W. (1969). Concurrent schedules of primary and conditioned reinforcement in rats. Journal of the Experimental Analysis of Behavior, 12, 261-268.
Zimmerman, D.W. (1969). Patterns of responding in a chained schedule altered by conditioned reinforcement. Psychonomic Science, 16, 120-122.
Zimmerman, D.W. (1969). Responding in chained schedules maintained with and without terminal primary reinforcement. Psychonomic Science, 17, 185-187.
Zimmerman, D.W. (1970). Conditioned reinforcement of lever-pressing in rats by a brief stimulus and schedule of primary reinforcement. Psychonomic Science, 18, 257-258.
Zimmerman, D.W. (1970). Patterns of responding in second-order chained schedules. Psychonomic Science, 20, 137-139.
Zimmerman, D.W. (1970). Rate changes after unscheduled omission and presentation of reinforcement. Journal of the Experimental Analysis of Behavior, 15, 261-270.
Zimmerman, D.W. (1971). Patterns of responding in conditioned reinforcement schedules superimposed on primary reinforcement schedules. Psychonomic Science, 23, 33-36.
Zimmerman, D.W. (1972). Discrete operant conditioning maintained by conditioned reinforcement. Psychonomic Science, 28, 33-36.
"It would be very singular that all nature and all the stars should obey eternal laws, and that there should be one little animal five feet tall which, despite these laws, could always act as suited its own caprice."—Voltaire
"A dog can be made to respond to the sound of a bell either with or without salivation, regardless of its particular gene pattern. It is impossible, therefore, to relate the control of salivation to the particular genes possessed by the dog. This example, and all other facts of which it is typical, show that the effect of the gene pattern on the details of the learning process cannot be direct. The effect, then, must be indirect: the genes fix permanently certain function-rules, but do not interfere with the function-rules in their detailed application to particular situations."—W. Ross Ashby
"... for an understanding of the evolution of modern man, we must begin by throwing out the gene as the sole basis of our ideas on evolution. I am an enthusiastic Darwinian, but I think Darwinism is too big a theory to be confined to the narrow context of the gene"—Richard Dawkins
"There is no hope of finding the sources of free action in the lofty realms of the mind or in the depths of the brain....To discover the sources of free action it is necessary to go outside the limits of the organism, not into the intimate sphere of the mind, but into the objective forms of social life; it is necessary to seek the sources of human consciousness and freedom in the social history of humanity. To find the soul it is necessary to lose it."—Alexander Luria
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