Research Methods in Psychology is a textbook that introduces the scientific approach to understanding human behavior. It outlines the fundamental features of science, including systematic empiricism, empirical questions, and public knowledge. The book explains how psychology is a science because it uses the same general approach to understanding human behavior as other sciences. It also discusses the difference between pseudoscience and real science, emphasizing that pseudoscience lacks one or more of the three features of science. The book covers various research methods, including experimental research, nonexperimental research, and qualitative research. It also discusses the importance of research ethics, the role of theories in psychological research, and the use of psychological measurement. The book provides an overview of descriptive and inferential statistics, as well as the importance of scientific research in clinical practice. It emphasizes the importance of distinguishing between basic research and applied research, and the role of empirical evidence in evaluating psychological claims. The book also discusses the limitations of common sense in understanding human behavior and the importance of skepticism in scientific psychology. It highlights the importance of scientific research in psychology for both theoretical and practical purposes, and the need for researchers to be scientifically literate to evaluate new research and make informed treatment decisions. The book is adapted from a work originally produced in 2010 and is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.Research Methods in Psychology is a textbook that introduces the scientific approach to understanding human behavior. It outlines the fundamental features of science, including systematic empiricism, empirical questions, and public knowledge. The book explains how psychology is a science because it uses the same general approach to understanding human behavior as other sciences. It also discusses the difference between pseudoscience and real science, emphasizing that pseudoscience lacks one or more of the three features of science. The book covers various research methods, including experimental research, nonexperimental research, and qualitative research. It also discusses the importance of research ethics, the role of theories in psychological research, and the use of psychological measurement. The book provides an overview of descriptive and inferential statistics, as well as the importance of scientific research in clinical practice. It emphasizes the importance of distinguishing between basic research and applied research, and the role of empirical evidence in evaluating psychological claims. The book also discusses the limitations of common sense in understanding human behavior and the importance of skepticism in scientific psychology. It highlights the importance of scientific research in psychology for both theoretical and practical purposes, and the need for researchers to be scientifically literate to evaluate new research and make informed treatment decisions. The book is adapted from a work originally produced in 2010 and is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.