在耶鲁大学、芝加哥大学的传播学领域,这—时期有—些学者根据实证研究开始做项目,研究公共关系相关的说服性沟通是如何运作的。这—传播学领域的先驱者啥罗德·拉斯威尔成为了艾森豪威尔的私人顾问之一,卡尔·霍夫兰则研发了精密研究设备,用来测量说服性沟通中不同变量的影响,发现信息源可信度与艾森豪威尔政府的公关宣传最为密切。(接上期)麦卡锡主义成为美国政府搜罗的最“黑色”利器非美活动调查委员会之后,还有一个攻击力更强悍的参议员约瑟夫·麦卡锡。1908年,麦卡锡出生于 In the field of communication at Yale and the University of Chicago, during this period, some scholars started to do empirical research to study how public relation-related persuasive communication works. Here, Handel Lasswell, a pioneer in communication science, became one of Eisenhower’s personal advisors. Karl Hoffland developed a sophisticated research facility to measure the effects of different variables in persuasive communication and found that The trustworthiness of the source of information is most closely related to the Eisenhower administration’s PR publicity. (Continued) McCarthyism became the most “black” weapon unofficial investigative commission included by the U.S. government, followed by Joseph McCarthy, a more aggressive senator. In 1908, McCarthy was born