This paper concentrates on the area of professional assistance, especially the prevention of socio-pathological phenomena in children and adolescents. The theoretical part introduces the history and current concept of altruistic behaviour, defines the basic social areas and activities for which assisting another human being is characteristic. Attention is also devoted to the services of the helping sector and its clientele. The introduction also includes the analysis of the assumptions and demands on the performance of helping profession, its hidden difficulties and the prevention of unprofessional conduct. Social deviations are a natural part of every society. They can be carried not only by adults, but also by children and adolescents. The causes, course and consequences of socially unacceptable behaviour are studied by professionals to whom the final chapter of the theoretical part of this paper is dedicated. The practical part complements the characteristics of selected helping professions listed in the theoretical part on the basis of statements obtained under the expert survey conducted among the individual professionals. It also provides their comparison on the basis of predefined specifics.

The aim of diploma thesis "Probation and mediation as a form of work with juvenile offenders" is to elaborate the social pedagogic aspects of probation and mediation activities. It is intended to be a theoretic study and is divided into five chapters. The opening chapter is concerned for causes of delinquent beaviour and offers an enumeration of factors causing the uprise of this kind of behaviour among youth. The second chapter aims at possibilities of juvenile criminality prevention. The third chapter is employed with an institution of Probation and Mediation Services, which plays an important role on the field of terciary prevention of juvenile criminality. Fourth chapter treats with concrete ways of work of probation officers with their clients. Their work is analysed in the last chapter emphasising the social pedagogic potential of probation and mediation activities. It also mentions a possibility of social support in the work of probation officers.

This diploma work named Socio-Pathological Phenomena at Secondary Vocational School and Their Possible Solution deals, in its theoretical part, with the basic terminology related with this topic. It also focuses on the risk behaviour among today's young people, and briefly introduces socio-pathological phenomena which occured at the surveyed secondary school in the last two years. It also describes other kinds of contemporary risk behaviour among young generation. At the end of theoretical part, there are introduced some of the current trends in school prevention and solution of socio-pathological phenomena. Period of adolescence is of course closely associated with this topic. It's called critical stage, and all the students pass this period during their secondary school attendance. That's why the chapter devoted to adolescence is elaborated in full details. Gender differences concerning appearance and intensity of socio-pathological phenomena are also mentioned here. Next, there is explained the system of primary prevention in The Czech Republic, the importace of family and school background, the impact of peers on personality development. In empirical part of this diploma work, there is introduced Secondary Vocational School, Ltd., 844 Schulhoffova, in Prague 4. The research probe was realized...