From where did the discipline of psychology originate? How has it evolved since its inception? These questions are at the heart of understanding the key debates that are central to psychology. In this highly approachable introduction, Fairholm tackles the big questions in psychology covering the ever controversial nature vs. nurture debate, free will and determinism, and other important topics. Whatever your level of study, this introduction will guide you through the most important issues that psychologists continue to dispute in the twenty-first century. This title stands as part of the Insights series edited by Nigel Holt and Rob Lewis, containing well-rounded, quick guides to the cornerstone theories, main topics and theoretical perspectives of their subjects and are useful for pre-undergraduate students looking to find incisive introductions to subjects that they may be considering for undergraduate study or those looking for helpful preparatory reading for undergraduate modules in the subject.