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首页> 美国卫生研究院文献>Elsevier Sponsored Documents >Familiarity with the experimenter influences the performance of Common ravens (Corvus corax) and Carrion crows (Corvus corone corone) in cognitive tasks
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Familiarity with the experimenter influences the performance of Common ravens (Corvus corax) and Carrion crows (Corvus corone corone) in cognitive tasks

机译：熟悉实验者会影响普通乌鸦（Corvus corax）和腐肉乌鸦（Corvus corone corone）在认知任务中的表现

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When humans and animals interact with one another over an extended time span they familiarise and may develop a relationship, which can exert an influence on both partners. For example, the behaviour of an animal in experiments may be affected by its relationship to the human experimenter. However, few studies have systematically examined the impact of human–animal relationships on experimental results. In the present study we investigated if familiarity with a human experimenter influences the performance of Common ravens (Corvus corax) and Carrion crows (Corvus corone corone) in interactive tasks. Birds were tested in two interactive cognitive tasks (exchange, object choice) by several experimenters representing different levels of familiarity (long and short-term). Our findings show that the birds participated more often in both tasks and were more successful in the exchange task when working with long-term experimenters than when working with short-term experimenters. Behavioural observations indicate that anxiety did not inhibit experimental performance but that the birds’ motivation to work differed between the two kinds of experimenters, familiar and less familiar. We conclude that human–animal relationships (i.e. familiarity) may affect the experimental performance of corvids in interactive cognitive tasks.
机译：当人类和动物在很长的一段时间内彼此互动时，它们就会熟悉并可能发展一种关系，从而对双方都产生影响。例如，动物在实验中的行为可能会受到其与人类实验者之间关系的影响。但是，很少有研究系统地检查人畜关系对实验结果的影响。在本研究中，我们调查了对人类实验者的熟悉程度是否会影响互动任务中普通乌鸦（Corvus corax）和腐肉乌鸦（Corvus corone corone）的性能。几位代表不同熟悉程度（长期和短期）的实验者在两项互动的认知任务（交换，对象选择）中对鸟类进行了测试。我们的发现表明，与长期实验者相比，与长期实验者合作时，鸟类更频繁地参与两项任务，并且在交换任务中更为成功。行为观察表明，焦虑并没有抑制实验性能，但是在熟悉和不熟悉的两种实验者之间，鸟类的工作动机有所不同。我们得出结论，人与动物之间的关系（即熟悉程度）可能会影响Corvids在互动认知任务中的实验表现。

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