贝桑松城堡高过河面。
根据研究员桑尼·松皮的说法,狗也许已经学会了检测来自人类的威胁信号,并且通过努力讲和来回应。
Dogs may have learned to detect threat signs from humans and respond by trying to make peace, according to researcher Sanni Somppi.
犹他大学的心理学教授,卡罗尔·桑松尼博士说:对个人的改变来说,一种强化是必须的、两种类型的强化就更好了,如果有三种那就再好不过了。
According to Carol Sansone, Ph.D., a psychology professor at the University of Utah, one type of reinforcement must be present for self-change, two would be better than one, and three would be best.
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