| Sumario: | The content of newspapers has, during the last two decades, been the subject of a number of studies. The reason for this type of research has been the recognition of the fact that before the mechanism of public opinion and other public reactions can be understood, a knowledge of the nature of the material upon which these reactions are founded is essential. There are at present approximately 5,000,000 radio receiving sets in the United States, which means that there are probably 20,000,000 potential listeners-in each night. The same difficulties of classification which have been a principal obstacle to the analysis of newspaper content, confronts one to some degree in analyzing the subject matter of radio programs. But due to the far more limited variety of the latter up to the present time, this difficulty is correspondingly less serious. As a preliminary attempt to get some light on the subject of the nature and probable influence of radio programs, an analysis of all the radio programs broadcast from the nineteen stations of New York City during the month of February 1927 was undertaken.
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