This work examines the contribution of psychological theory to our understanding of human behaviour in the workplace. It covers both personnel issues such as selection and training and organizational issues such as decision making. It contains up-to-date material with coverage of organizational culture and design. There is also material on change and development and the issue of power at individual and, group and organizational levels. Real-life examples are used to support the theory, to show how the concepts dealth with actually apply to work settings.