Video The 3 biggest PR measurement mistakes Sandra Fathi, president of Affect, discusses the three most common PR measurement mistakes—and how to avoid them. By Ragan StaffJune 5, 2013 SHARE Many PR pros struggle with measuring the success of their social media, marketing or PR campaigns.A lot of them make mistakes—from measuring the wrong things to not building measurement into the program from the start.The biggest mistake? To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.