Examines the contribution of psychological theory to our understanding of human behaviour at work. It covers both personnel issues such as a selection and training and organizational issues such as decision making. This edition includes new material and coverage of organizational culture and design. Its accessible and user-friendly style make it suitable for readers unfamiliar with the theory of work psychology as well as those with a basic grounding in the subject. There is also new material on change and development and the issue of power at individual, group and organizational levels. It contains case studies and practical illustrations. An instructor's manual available with suggested short answer, essay and project assignments based on the content of each chapter.