Risk Aversion in Rats (Rattus norvegicus) Under Varying Levels of Resource Availability (original) (raw)

Journal of Comparative Psychology, 1986

Abstract

Rats chose between a certain prospect and an uncertain prospect having equal expected value under varying levels of resource (water) availability. In contrast to results found with granivorous birds and common shrews (Sorex araneus), the rats did not switch from risk aversion (choosing the certain prospect) to risk preference (choosing the uncertain prospect) as resource availability varied from surplus to

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