This is the twenty-third in the most prestigious series of annual volumes in the field of industrial and organizational psychology. The series provides authoritative and integrative reviews of the key literature of industrial psychology and organizational behaviour. The chapters are written by established experts and topics are carefully chosen to reflect the major concerns in both the research literature and in current practice. This twenty-third volume continues the series' tradition of providing scholarly, up to the minute reviews and updates of theory and research across a wide range of established areas and emerging issues problems, including: the psychology of careers in industrial-organizational settings, leadership development, employee recruitment, health protection and promotion in the workplace, and politics and politicians at work. Each chapter offers a comprehensive and critical survey of the chosen topic, and each is supported by a valuable bibliography. For advanced students, academics and researchers, as well as professional psychologists and managers, this remains the most authoritative and current guide to new developments and established knowledge in the field of industrial and organizational psychology.