Vinopal, Jiří. 2007. „Jak se zkoumá veřejné mínění“. Psychologie dnes. 13 (3): 20-23. ISSN 1211-5886.
The article informs about some of the psychological aspects of public opinion inquiry. It points out the nature of human attitudes and problems related to their surveying. The problems with their expression in public opinion surveys are presented on several empirical examples.
