Experimenter expectancy bias does not explain Eurasian jays' (Garrulus glandarius) performance in a desire-state attribution task.
Experimenter expectancy bias does not explain Eurasian jays' (Garrulus glandarius) performance in a desire-state attribution task.
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实验者的期望偏差并不能解释欧亚松鸦（Garrulus mudarius）在欲望状态归因任务中的表现。
DOI：
10.1037/com0000043
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发表时间：
2016
期刊：
影响因子：
--
通讯作者：
Ostojic L
中科院分区：
文献类型：
--
作者：
Ostojic L
研究发现，雄性欧亚松鸦在看到雌性伴侣吃了一种食物后，会调整与雌性伴侣分享的食物类型。对这种行为的一种解释是，雄性将雌性对食物的欲望降低编入了编码，并相应地调整了自己的行为。然而，在这些研究中，实验者对雄性的行为进行打分，实验者知道雌性吃什么食物是饱的。因此，有可能实验者的期望（潜意识地）影响了他们在测试中的行为，而这些行为反过来又无意中影响了男性的行为。在这里，我们重复了最初的测试，实验人员对雌性所吃的食物视而不见。这一过程与最初的研究结果相同：雄性与雌性分享符合其当前欲望的食物。因此，我们的研究结果排除了欧亚松鸦雄性在食物分享任务中的行为可以用实验者期望偏差的影响来解释的可能性。（PsycInfo数据库记录(c) 2020 APA，版权所有）
Male Eurasian jays have been found to adjust the type of food they share with their female partner after seeing her eat 1 type of food to satiety. One interpretation of this behavior is that the male encoded the female’s decreased desire for the food she was sated on, and adjusted his behavior accordingly. However, in these studies, the male’s actions were scored by experimenters who knew on which food the female was sated. Thus, it is possible that the experimenters’ expectations (subconsciously) affected their behavior during tests that, in turn, inadvertently could have influenced the males’ actions. Here, we repeated the original test with an experimenter who was blind to the food on which the female was sated. This procedure yielded the same results as the original studies: The male shared food with the female that was in line with her current desire. Thus, our results rule out the possibility that the Eurasian jay males’ actions in the food sharing task could be explained by the effects of an experimenter expectancy bias.(PsycInfo Database Record (c) 2020 APA, all rights reserved)
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DOI：
10.17863/cam.50017
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2014
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DOI：
10.1073/pnas.1209926110
发表时间：
2013
期刊：
Proceedings of the National Academy of Sciences
影响因子：
--
作者：
L. Ostojić;R. C. Shaw;L. Cheke;N. Clayton
通讯作者：
N. Clayton