Inside Pages

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The 'Shoulds' and 'Coulds' of Meaningful Failures: Introduction to the Special Issue

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Monkeys Choose, but do not Learn, through Exclusion

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Remembering Past Exchanges: Apes Fail to Use Social Cues

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Do Nonhuman Primates Ascribe Goals to the Choices of Conspecifics?

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Not Knowing What One Knows: A Meaningful Failure of Metacognition in Capuchin Monkeys

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"Bear-ly" Learning: Limits of Abstraction in Black Bear Cognition

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Intervening to Learn About Effects of One's Actions

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Gorillas (Gorilla gorilla gorilla) Fail to Learn Abstract Cues of Differential Outcomes in a Novel Cognitive Bias Test

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Investigating the Depletion Effect: Self-Control does not Waiver in Capuchin Monkeys

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Can Surprising Nonreward and Adjunctive Behavior Influence Each Other?

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Failure of Operant Control of Vocal Learning in Budgerigars

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The Ephemeral Reward Task: Pigeons and Rats Fail to Learn Unless Discouraged from Impulsive Choice

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