This book explores what attitudes are and how they are shaped, how they influence behaviour, and the scientific methods that are used to understand attitudes and how they change. Introducing the fundamental concepts for understanding attitudes, with a balanced consideration of all approaches, the book pulls together many diverse threads from research across the world.The fourth edition has been updated to include cutting-edge topics such as attitudes to vaccines, political polarisation, and the effects of social media on attitude change. It covers the applications of attitude research in the domains of environmental, political and health psychology and critically reflects on the methods used for attitude research and considers the role of new technologies and social media in attitudes and attitude research.Key features:-          Updated Research highlights illustrate interesting and important case studies and their findings-          Recap ‘what we have learned’ and ‘what do you think’ questions encourage critical reflection  and deep thinking-          Key terms and a glossary help you get up to speed with terminology-         Diverse and inclusive examples from across the globe.