This textbook provides an easily understandable and concise overview of the field of social psychology, which deals with how people think and feel, how they make judgments and decisions, what factors determine how they are perceived by others, the role of the self in experiences and behavior, and how attitudes are formed and how they relate to behavior. This textbook serves as an introduction to social psychology and therefore requires no prior knowledge. The new edition now consists of two volumes and references current literature and examples, informing readers about reinterpretations and replications of classic studies. Key concepts and findings are explained through numerous examples. It is aimed at all students whose courses cover social psychological topics. However, it is not only for them.