Abstract
Past work has suggested that successive reversal learning might be a valuable methodology for the calibration of inter-species performance differences. However, recent work has revealed that such learning is importantly influenced by variation in drive (D) and incentive (K) levels. To determine whether previously reported inter-species differences might have been the result of failure to equate D and K across species the reversal performances of Ringneck doves and pigeons on a spatial task were compared under two levels of D and one level of K.
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