Nicholas Diakopoulos is a professor of communication studies at Northwestern University in Chicago.

尼古拉斯·迪亚科普洛斯是芝加哥西北大学传播学教授。

It was first developed for use in anthropology, and it's also been used in sociology and communication studies.

它起先是为了在人类学领域的使用而提出的，现在也被用于研究社会学和传播学。

Jannet Pendleton, a senior lecturer in communication studies, explains that for fear to be an effective tool, we need to believe that both the fears raised, and the possibility that our actions can make a difference are credible.

传播学高级讲师詹妮特·彭德尔顿解释说，为了让恐惧成为一种有效的工具，我们需要相信，所引发的恐惧以及我们的行动能够产生影响的可能性都是可信的。