Inside you'll find out about personality and individual differences, teams and groups, personnel selection and assessment, and health and well-being at work. Whether you're studying OB, or you just want a better understanding of people at work, Organisational Behaviour For Dummies gives you all the essentials for understanding this fascinating subject. Your plain-English introduction to organisational behaviour Organisational Behaviour (OB) is the study of how people, individuals, and groups act in organisations.