As education is a vital part of a person's growth and evolution, thus, educational research becomes very important. It refers to the practice of evaluating and refining educational aspects like training methods, student learning, teacher training, teaching methods and classroom dynamics, etc. This area includes fields like philosophy, psychology, sociology and anthropology, etc. This book elucidates new techniques and their applications in a multidisciplinary approach. It is a valuable compilation of topics, ranging from the basic to the most complex theories and principles in this subject of educational research. While understanding the long-term perspectives of the topics, the text makes an effort in highlighting their impact as a modern tool for the growth of the discipline. This textbook will serve as a valuable source of reference for those interested in this field.