The Δ-∑ hypothesis: How contrast and reinforcement rate combine to generate suboptimal choice.
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DOI: 10.1002/jeab.595
Abstract: When given a choice between two alternatives, each offering food after the same delay with different but signaled probabilities, pigeons often prefer the low probability alternative. This preference is surprising because pigeons fail to maximize… read more here.
Keywords: preference; hypothesis contrast; reinforcement; rate ... See more keywords