Experimental design is a crucial methodology for studying the relationship between inputs and outputs to achieve optimal experimental conditions. This book offers a balanced exploration of both theoretical and practical aspects, including numerous examples and exercises. Readers will learn to select appropriate designs and analytical methods to meet experimental objectives and answer research questions. Emphasizing the importance of design over analysis, the book guides researchers in formulating hypotheses and choosing suitable designs. It serves as a valuable resource for students and researchers, aiming to be a beneficial reference in the field.