One of the radio industry’s most respected researchers, Dr. Ed Cohen writes a weekly business column, heavily focused on ratings research for Barrett Media. His career experiences include serving as VP of Ratings and Research at Cumulus Media, occupying the role of VP of Measurement Innovation at Nielsen Audio, and its predecessor Arbitron. While with Arbitron, Cohen spent five years as the company's President of Research Policy and Communication, and eight years as VP of Domestic Radio Research. Dr. Ed has also held the title of Vice President of Research for iHeartMedia/Clear Channel, and held research positions for the National Association of Broadcasters and Birch/Scarborough Research. He is adjunct faculty in the Department of Broadcast Communications at Western Kentucky University and welcomes your thoughts. Reach him by email at doctoredresearch@gmail.com.
I don’t want to contradict what many programmers and consultants have been doing for the last 15 years or so, but consider that much of your audience may be listening longer than you think.
Weighting is done because the rating services want to reflect the population. The weighting variables should have a direct correlation with what is being measured.