Abstract
Reversal (R) and extradimensional (ED) shifts were studied in a large Jordanian sample which included six age groups (4, 5, 6, 9, 10, and 11 years). No sex differences were found. Consistent with other findings based on American samples, a highly significant Age by Shift interaction effect was found, reflecting the ease of executing a R relative to an ED shift at a very young age and the reversal of this effect at about 9 years of age. The results provide further support for the Kendlers’ two-stage mediational theory.
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This research was carried out by the second author in partial fulfillment of his master’s degree under the direction of the first author, who was on sabbatical leave at the University of Jordan, Department of Psychology, Amman, Jordan, during the 19751976 academic year.
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Shanab, M.E., Yasin, A.B. A comparison of reversal and extradimensional shifts in Jordanian children. Bull. Psychon. Soc. 11, 109–111 (1978). https://doi.org/10.3758/BF03336780
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DOI: https://doi.org/10.3758/BF03336780