Abstract
Turtles were given reversal and extradimensional shifts within a two-dimension (brightness and hue) two-pair discrimination task. Analysis of learning on the individual stimulus pairs during shifts indicated that the Ss learned the pairs as independent subproblems rather than as instances of a single problem.
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This research was supported by Grants EY-00355 and MH-11088 from the National Institutes of Health. Thomas Tighe is supported by Research Career Development Award K4-HD-43,859 from the National Institute of Child Health and Human Development.
Order of authorship was determined by flip of a coin. The assistance of Karl Frey and Scott Spangenberg in collecting the data is gratefully acknowledged.
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Graf, V., Tighe, T. Subproblem analysis of discrimination shift learning in the turtle (Chrysemys picta picta) . Psychon Sci 25, 257–259 (1971). https://doi.org/10.3758/BF03335865
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DOI: https://doi.org/10.3758/BF03335865