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David Cullen 《Journal of Radio & Audio Media》2013,20(2):287-288
Three pioneer radio rating services contributed to the development of basic audience measurement concepts, which have become part of a standardized ratings vocabulary. Archibald Crossley gave to radio and, later TV measurement, its most basic term, rating. Claude E. Hooper made Hooperatings a part of the nation's vocabulary and contributed the available audience base and the average minute rating. Arthur Nielsen Sr., designed the first probability sample. In the long term, Nielsen's most important innovation was his projectable ratings. As a result, Nielsen championed CPM theory, which tied advertising prices to audience size. Nielsen also was the first to provide a wealth of analytical detail, such as reach, frequency, and audience flow. 相似文献