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Journal of the Experimental Analysis of Behavior logoLink to Journal of the Experimental Analysis of Behavior
. 1969 Jan;12(1):105–109. doi: 10.1901/jeab.1969.12-105

Stimulus generalization as a function of the delay between training and testing procedures: a reevaluation1

David R Thomas, D E Scott Burr
PMCID: PMC1338580  PMID: 16811330

Abstract

Three groups of 12 pigeons each were trained to discriminate between lights of 550 mμ (SD), correlated with 1-min variable-interval reinforcement and 570 mμ (SΔ), correlated with extinction. Group A was tested for wavelength generalization in extinction 1 min after meeting the discrimination criterion; Group B was tested 24 hr later; Group C was tested 24 hr later after a 3-min (reinforced) warm-up with the SD. The post-discrimination gradient of Group B was significantly flatter and showed significantly greater area shift than that of Groups A and C. The gradient of Group C was similar to that of Group A, indicating that the warm-up eliminated the effect of the delay period.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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