Methodological Thinking: Basic Principles of Social Research Design introduces students to the fundamental logic of social research by emphasizing how researchers think rather than simply which research methods they use. Donileen R. Loseke explains that sound research begins with asking meaningful questions, developing theoretical concepts, reviewing existing literature, and selecting appropriate methods to answer research problems. The book covers the essential components of research design, including research questions, conceptualization, operationalization, measurement, sampling, data collection, and data analysis. It discusses a wide range of research techniques such as surveys, interviews, experiments, observation, and document analysis while showing how each method is appropriate for different types of research objectives. Instead of promoting one methodology over another, the author demonstrates that effective researchers understand the strengths and limitations of both qualitative and quantitative approaches. Written in a clear and accessible style, the book uses practical examples from sociology, criminology, political science, international relations, and social work to help students design, evaluate, and interpret social research. It is particularly valuable for undergraduate and postgraduate students beginning courses in research methodology.