Public Relations PR is a multidisciplinary field that combines marketing, advertising and other communicative efforts. Generally, the goal of the public relations programs and courses is to help students understand how to assist individuals and businesses in connecting with the media, a particular market or the community-at-large.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.