Abstract
Early-handled and nonhandled rats were paired with members of their own group in adulthood and permitted to compete for food under deprivation conditions. Polarity scores, defined as the winners’ proportion-of-time-at-the-food-container scores minus 50, were higher in the handled group. These results were interpreted in terms of interactions between early-stimulation effects and reinforcement-contingency effects.
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This study was supported in part by Grant No. 05-195-64 made available by the Graduate Studies Expansion Fund of the University of Manitoba.
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Becker, G., Gaudet, I.J. Dominance-subordination polarity in early-handled and nonhandled rats. Psychon Sci 11, 115–116 (1968). https://doi.org/10.3758/BF03328163
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DOI: https://doi.org/10.3758/BF03328163