Researchers led by Kazuo Fujita, a professor of comparative cognition at Kyoto University, tested three groups of 18 dogs using role plays in which their owners needed to open a box.

由日本京都大学比较认知专业教授藤田和夫领导的专家团队进行了一组实验，其中有3组狗狗，每组18只，试验中用到了角色扮演，他们的主人需要打开一个盒子。

youdao

She has been Associate Faculty of the Laboratory of Comparative Human Cognition at the University of California at San Diego since 2002 and Professor Emerita of Social Research Methodology at the Graduate School of Education and Information Sciences at the University of California at Los Angeles, where she taught from 1989 to 2009.

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