This 2024 publication by Dr. Mohammed Jassim Ahmed Al-Yasiri provides a comprehensive guide to the core principles of educational research. The book meticulously explores a wide range of methodologies and intricate research designs, offering a structured framework for conducting scholarly inquiries. It serves as an essential resource for students, educators, and researchers, providing practical insights into data collection, analysis, and the ethical considerations involved. This text equips readers with the necessary tools to design and execute robust educational studies, making it a foundational text for aspiring researchers in the field.