Dive into the essential principles of psychological measurement with 'Introduction to Psychometrics' by Prof. Dr. Ali Abdul Rahim Salih. This comprehensive guide, published in 2024, is designed for students and professionals alike. It systematically covers fundamental concepts such as reliability, validity, and test construction. Readers will explore various statistical methods and their practical applications in educational and clinical settings, gaining the necessary skills to develop, evaluate, and interpret psychological tests effectively. A cornerstone text for understanding the science behind measuring human traits and abilities.