Prevention of psychoactive substance use and its development assumptions for secondary school in Lithuania

Dissertation analyzed prerequisites of psychoactive substance use prevention improvement which are predetermined by modern cultural changes, globalization, shifting needs of young people, new psychoactive substances appearing in the market, new ways of psychoactive substance distribution (e.g. the Internet), quality standards for psychoactive substance use prevention designed in Europe and in the world, and reality of implementation of mentioned substance use prevention in the recovered Independent Lithuania. The dissertation analyzed what possibilities of psychoactive substance use prevention improvement were residing in national, municipal and school levels, and what main problematic fields were highlighted by prerequisites of psychoactive substance use prevention expression in secondary school. In the first part of the dissertation different conceptions of psychoactive substance use prevention were submitted, importance of theories and methods grounding measures for psychoactive substance use prevention and meaning to ensure efficiency of ongoing prevention programs were expressed, prerequisites for prevention of psychoactive substance use were determined and their groups divided, that based model of psychoactive substance use prevention improvement. Methodology of the research for psychoactive substance use prevention improvement was grounded in the second part of the dissertation. In the third part theory based model of psychoactive substance use prevention improvement was confirmed by case study research, and efficiency of action research methodology and possibilities for psychoactive substance use prevention improvement were revealed on national, municipality and school levels