THE FAILURE OF STIMULUS CONTROL AFTER PRESENCE‐ABSENCE DISCRIMINATION OF CLICK‐RATE1
- 1 July 1973
- journal article
- research article
- Published by Wiley in Journal of the Experimental Analysis of Behavior
- Vol. 20 (1) , 23-27
- https://doi.org/10.1901/jeab.1973.20-23
Abstract
Pigeons were trained to discriminate a slow click-rate from its absence, or to discriminate it from a faster click-rate. Subsequent click-rate generalization tests produced the usual steepened gradients after the intradimensional discrimination but produced flat gradients after presence/absence discrimination. The occurrence of stimulus control only after intradimensional discrimination, combined with previous results showing stimulus control sometimes after nondifferential reinforcement and sometimes after presence/absence discrimination, argues for a reformulation of the problem of stimulus control. A theoretical framework, relying upon blocking effects inherent in the different discrimination procedures, was presented to account for the diversity of results.Keywords
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