Comprehensive, clear, and practical, Introduction to Research Methods in Psychology, fifth edition is the essential student guide to understanding and undertaking quantitative and qualitative research in psychology. In this popular text for psychology students, the research process is broken down into manageable steps to equip students with the skills to ask intelligent research questions, carry out a literature review, choose an appropriate research design, carry out data collection and write up their findings. Throughout the book, research examples are discussed which offer an insight into how research advances our understanding in areas such as forensic, social, educational, and abnormal psychology. Revised throughout, this new edition includes a new chapter on 'Data Analysis Issues and Scientific Progress' which explores complexities in research, discussing issues such as questionable research practices and replication studies. A further new chapter, 'Improving a Qualitative Write Up' provides advice and guidance on how to write-up a qualitative study with a detailed illustrative example of this. This is the ideal guide for students just beginning and those moving on to more advanced research methods projects in psychology.