The article discusses the concept of public opinion, its importance for the effective interaction of the state and various structures of civil society. Foreign methodologies, scientific theories and research, the development of the phenomenon of «public opinion» by foreign researchers, as well as an analysis of the effects of QMS on society. An attempt was also made to evaluate the experience of the Government of  the Republic of  Kazakhstan in optimizing public administration by introducing a system for assessing the effectiveness of government bodies.