This course examines research concepts in the field of early childhood education and their applications. Some of the material that will be studied includes the meaning of development research and action research; development research design and action research; data and data collection techniques, how to determine samples for development research and action research; development data analysis techniques and action research; writing development research and action research proposals. After taking this course, students are expected to be able to design, create and analyze the steps of development research and action research; data and data collection techniques, how to determine samples; data analysis technique; writing research proposals. applied. The methods applied in this course are lectures, questions and answers, discussions, demonstrations and giving assignments. Lectures are carried out using a system of presentations, discussions, project assignments and reflection