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  • Title: [The individual characteristics of dogs with a free choice of the probability and value of food reinforcement].
    Author: Preobrazhenskiĭ LA.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1997; 47(3):487-99. PubMed ID: 9273788.
    Abstract:
    The tactics of choice between two feeders after changing the probability and quality of food reinforcement in one of them was studied in 4 freely behaving dogs. The conditioned stimulus was not changed. It was shown that choice tactics differed between the dogs even under conditions of equal 100% probability of food reinforcement in both the feeders. Decrease in probability of presentation of higher-quality food in one of the feeders increased the incidence of choice of this feeder only in one dog. This dog was characterized by a higher rate of the dynamic stereotype conditioning in response to the number of presentations of cups with food in each feeder. The dogs preferred the constant reinforcement when food in the two feeders was of the same quality but presented with different probability.
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