Skills-focused resources to support the study of Cambridge International AS and A Level Psychology (9990) for first examination in 2018. This vibrant coursebook is tailored to the Cambridge International AS and A Level Psychology (9990) syllabus for first examination in 2018 and is endorsed by Cambridge International Examinations. It contains rigorous, comprehensive coverage at the most appropriate level of depth and detail for the course. The coursebook contains extra focus on the key concepts of research methods and ethics as well as crucial debates such as nature versus nurture. The content encourages the development of necessary skills of analysis, interpretation, application and evaluation and promotes understanding of ethical and moral issues and their implications for psychological research.