This student-friendly book on the history of psychology covers the key historical developments and controversies in all areas of psychology, linking history to the present by focusing on ten conceptual issues that are relevant today. How did psychology become a science, and what kind of science did it become? How do psychologists measure and explain the fact that in some ways everyone is unique? Is psychoanalysis scientific? Why did cognitive science replace behaviorism? This book addresses all these questions and more, covering the whole range of psychology, from neuroscience and artificial intelligence to hermeneutics and qualitative research in the process. Drawing on the author's experience of how to make the subject interesting for students, the book is structured around ten key questions that engage with all the core areas of psychology and the main schools of thought. Showing how each of the different approaches or paradigms within psychology differ not based on data but on assumptions, he provides an engaging introduction to debates from history and in contemporary society. Including boxed material on hot topics, historical figures, studies/experiments, and quirky facts, this is the ideal book for undergraduate students of psychology taking CHIPS and other history of psychology modules.