The main aim of this study was to explore the trends of methodology applied in academic educational research in Bangladesh. Mixed method research approach was used to conduct this study. The institutions and educationist were selected purposively. While the research/thesis reports were selected randomly considering the decades. Document review check list and interview schedule were used as data collection tools. Through mixed methods analyses, it was found that majority researchers used quantitative research approach to conduct their study. They used teachers and students as their research population and used non probability sampling techniques. A large number of researchers used questionnaire and interview as data collection tools. Majority researchers used quantitative analyses methods and they conducted this type of analyses manually and also used table to presents their findings. Finally a representative number of researchers presented their study data to some extend related to methodology. For this reason, to improve our educational research field the mixed method research approach and the action research method might be used.