Validation is an important enterprise especially when the test to be validated is a high stakes whose results bring about life changing implications for the candidates. A fair test needs to be neutral when it comes to construct irrelevant factors such as demographical variables like gender and field of study, etc. This book reviews and discusses traditional and current views of validity and explains the procedures, techniques, and methods to evaluate it. It provides a comprehensive examination of all key concepts in test validation process, test fairness, along with systematic and user...