1. A broad definition of research is given by Martyn Shuttleworth - "In the broadest sense of the word, the definition of research includes any gathering of data, information and facts for the advancement of knowledge
2. Educational research refers to a variety of methods in which individuals evaluate different aspects of education including but not limited to: “student learning, teaching methods, teacher training, and classroom dynamics”
3. This need for doing research education is research  collect all education details and growth our knowledge.
4. Teachers will develop our knowledge and professional growth.
5. Scholar first will know society problem and then scholar solved that problem.
6. Educational research attempts to solve a problem, Research involves gathering new data from primary or first-hand sources or using existing data for a new purpose and Research is based upon observable experience or empirical evidence.
7.  All discipline like philosophy, psychology, sociology interlinked each other.
   
8. University grants commission, National council for teacher education, National council for educational and research training, National university of educational planning and administration, Indian council of social science research, Department of science and technology, Education resource and information center, Ministry of Human resource  development.
9. Collection of Data, Financial problem, Duration, Health, Facilities, Communication problem.
   
10. Effectiveness of cognitive development of among students Sri. V. Ramamoorthy govt. high school, Madukarai.