摘要：In this research, the level of quality of the sampling groups used and the analytical mistakes made in the doctorate dissertations carried out in the field of education science in Turkey have been tried to be identified. Case study pattern has been applied in the study in which qualitative research techniques have been used. The theoretical universe of the research consists of the doctorate dissertations done in the field of Education Science. The field of study which consists of 324 doctorate thesis written between the years 2003-2007, has been identified by taking into consideration the improvements in the field of methodology and up to datedness. In the research, the sampling method hasn’t been applied and the whole field of study has been reached. However, due to the restrictions in the usage and publishment of certain dissertations, the number of the dissertations that could be examined in this sampling is 211. In the research, as the tool of data collection, the education research evaluation scale form improved by the researcher has been used. In the research, data collected through epistemological document analysis has been resolved by using frequency analysis, descriptive analysis and typological analysis. According to the findings obtained at the end of the research, the sampling models used in the doctorate dissertations done in the field of education are insufficient by means of quality.
