The document introduces the field of organizational behaviour (OB), focusing on understanding how individuals, groups, and structures influence workplace dynamics to enhance organizational effectiveness. It covers key concepts such as perception, personality, and emotions, along with the significance of systematic study and evidence-based management in predicting and managing behaviour within organizations. Additionally, various personality assessment methods, including the Myers-Briggs Type Indicator and the Big Five model, are discussed as tools for understanding employee dynamics and improving workplace interactions.