The specialty of industrial-organizational psychology (also called I/O psychology) is characterized by the scientific study of human behavior in organizations and the work place. The specialty focuses on deriving principles of individual, group and organizational behavior and applying this knowledge to the solution of problems at work. This book presents theoretical background, comprehensive literature review and lot of application exercises on all major topics of Industrial/Organizational Psychology. The main objective of the book is to help students to acquire knowledge and skills, which they would apply in organizations during their professional careers. The book is up-to-date in terms of cited references and list of suggested readings and captures all recent researches in this area. This book is targeted at the undergraduate and postgraduate students of Psychology and Management. It will be also useful to researchers, practitioners and academics in I/O Psychology.