The creative porpoise: Training for novel behavior
Pryor, Haag and O'Reilly, Journal of the Experimental Analysis of Behavior 12(4), 1969, 653-661. Two rough-toothed porpoises were trained to emit novel responses, not previously known in the species, by reinforcing a different response to the same stimuli in each series of sessions; in one session the criterion that only novel behaviours would be reinforced was abruptly met with four new types of response.
Pryor, Haag and O'Reilly, Journal of the Experimental Analysis of Behavior 12(4), 1969, 653-661. Two rough-toothed porpoises were trained to emit novel responses, not previously known in the species, by reinforcing a different response to the same stimuli in each series of sessions; in one session the criterion that only novel behaviours would be reinforced was abruptly met with four new types of response.
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Pryor, K. W., Haag, R., & O'Reilly, J. (1969). The creative porpoise: Training for novel behavior. Journal of the Experimental Analysis of Behavior, 12(4), 653-661. doi:10.1901/jeab.1969.12-653 https://doi.org/10.1901/jeab.1969.12-653