This report provides an in-depth analysis of organisational behaviour, focusing on the influence of organisational culture, politics, and power on individual and team performance within Marks & Spencer. It evaluates content and process theories of motivation, such as McClelland's theory, Maslow's hierarchy of needs, Herzberg's two-factor theory, Vroom's expectancy theory, Adam's equity theory, and Skinner's reinforcement theory, and how these theories enable effective goal achievement. The report further explores the characteristics of effective teams versus ineffective teams and applies organisational behaviour concepts and philosophies within the context of Marks & Spencer, examining team and group development theories to support cooperation. Ultimately, the analysis evaluates the relevance of team development theories and concepts in improving business performance and productivity, providing justified recommendations for organisational success. Desklib provides a platform to access similar solved assignments and study resources for students.