Knowledge of research methodology is essential for all those who either play an active role in conducting research or desire to keep themselves abreast of the contemporary developments in the field of knowledge. Keeping this in mind the fourth edition of methodology of educational research has been thoroughly revised. The book contains an up-to-date account of the methods and techniques suited to the field of education and other allied disciplines and thus provides an understanding of significant research problems that need to be tackled. The book discusses the steps that a researcher is expected to know for conducting a research study. It elaborates upon the quantitative and qualitative data analysis techniques, the use of descriptive and inferential statistics, reporting the results of research along with the characteristics and uses of historical, descriptive, ethnographic and experimental methods. The book has been designed and written mainly for the students of m. A. , m. Ed. And m. Phil. (education, psychology and sociology). It will be of immense value to ph. D. , students also as well as researchers of social sciences, biological sciences, management, legal studies, humanities and languages. New in fourth edition . A new chapter on 'quantitative and qualitative research: nature and methods' . Revised and updated text as per the latest guidelines and thrusts in the educational policy . Expansion of a number of concepts with a view to add clarity . Restructuring of the entire text