MASS MEDIA FLOW AND DIFFERENTIAL GROWTH IN KNOWLEDGE
In: Public opinion quarterly: journal of the American Association for Public Opinion Research, Band 34, Heft 2, S. 159-170
ISSN: 0033-362X
Data from 4 types of res-news diffusion studies, time trends, a newspaper strike, & a field exp-are consistent with the general hypothesis that increasing the flow of news on a topic leads to greater acquisition of knowledge about that topic among the more highly educated segments of society. Whether the resulting knowledge gap closes may depend partly on whether the stimulus intensity of MM publicity is maintained at a high level, or is reduced or eliminated at a point when only the more active persons have gained that knowledge. AA.