Abstract
Only pigeons in a comparison group were afforded opportunity for direct comparison between stimuli on the same dimension. Following discrimination learning both a comparison and a noncomparison group were given post discrimination generalization tests and transposition tests. The results provided further evidence for a correspondence between postdiscrimination and transposition data. However, this correspondence was not complete, as Ss without peak shifts produced statistically significant transposition scores. Also the comparison group produced a significantly greater amount of transposition. Differences in transposition scores between the comparison and noncomparison groups, however, were not reflected in underlying differences in the postdiscrimination generalization gradients.
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This paper was based on a dissertation submitted to the Department of Psychology at Washington State University (1966). Grateful acknowledgement is due Dr. Kenneth E. Lloyd, who provided assistance with the research and this manuscript.
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Sachs, L.B. Effects of stimulus comparison during discrimination training on subsequent transposition and generalization gradients. Psychon Sci 14, 247–248 (1969). https://doi.org/10.3758/BF03332820
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DOI: https://doi.org/10.3758/BF03332820