This document outlines the chapter sections and key concepts related to defining marketing research problems and developing an approach. It discusses the importance of properly defining problems, outlines the process which includes discussing the problem with decision makers and other stakeholders, analyzing secondary data, and developing the research problem definition. It also covers developing the approach, which involves specifying objectives, developing models and hypotheses, and identifying the necessary information to address the research questions. The example provided illustrates how these concepts were applied to a study on defining the marketing research problem and approach for a department store seeking to understand customer preferences.