Cosmo Dictionary of Mass Communication

Cosmo Dictionary of Mass Communications presents an encyclopaedic source of all the essential terms and concepts currently used in the press, print, radio and TV broadcasting, films, advertising and contemporary mass communications research.  Includes definitions for such terms as billboard, closed circuit, equal time, motivational research, ratings, subliminal advertising, videotapes, and many hundreds more in alphabetically ordered entries ranging from a few words to signed articles by specialists on the subjects of greater importance. One complete section deals with the functions and implications of current study and research into "mass communications" phenomena.