But now a new study by a marketing professor in Canada backs it up a step and seeks to understand how word of mouth affects the attitudes of the teller.
不过，加拿大一位营销学教授在日前进行的一项新研究使口碑的研究上了一个新台阶，他试图了解口碑是如何影响评论者的态度的。
Breaking a promise is a complex neurobiological event, a new study shows-and a brain scan may be able to predict those who are making false promises before they break their word.
一项最新科学研究表明，不遵守诺言是一种复杂的神经生物学反应活动，对大脑进行图像扫描则能够预测一个人是否是不遵守诺言却作出虚假承诺的食言者。
A simple word association game may reveal the hidden truth about your union, a new study suggests.
最新研究表明，简单的单词联想游戏也许能泄露双方关系背后的真相。
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