The SAGE Key Concepts series provides students with accessible and authoritative knowledge of the essential topics in a variety of disciplines. Cross-referenced throughout, the format encourages critical evaluation through understanding. Written by experienced and respected academics, the books are indispensable study aids and guides to comprehension.
Key Concepts in Public Relations:
- Provides a comprehensive, easy-to-use overview to the field
- Covers over 150 central concepts in PR
- Paves the way for students to tackle primary texts
- Grounds students in both practice and theory
- Takes it further with recommended reading
A term which has its origins in social and organisational psychology of the 1940s and 1950s (Lewin, 1947) and essentially refers to a person who controls the flow of some commodity to the intended receiver through a series of ‘gates’.
In a media context, the concept has become associated with a role as a filter of information, deciding what kinds of material are suitable for mass publication. Lewin's original work was applied to a journalism context by White (1950) who studied the impact of editorial decisions and personal bias on coverage of particular issues and individuals.
[Page 95]The idea was later extended by McCombs and Shaw (1976) to add weight to the theory of agenda setting, in which the media have a crucial role to play in ...