Explain the difference between evolutionary and revolutionary change and evaluate techniques to plan effective change management programmes. 2. B2 Define effective communication and evaluate the impact individuals can exert to undermine effective communication within organisations. 3. B3 Critically compare and contrast the Human Relations School and Scientific Management approaches to the study of organisational behaviour. Explain the difference between evolutionary and revolutionary change and evaluate techniques to plan effective change management programmes. 2. B2 Define effective communication and evaluate the impact individuals can exert to undermine effective communication within organisations. 3. B3 Critically compare and contrast the Human Relations School and Scientific Management approaches to the study of organisational behaviour.