This document discusses key aspects of research design for marketing research projects. It defines research design and outlines its main components, including defining needed information, designing exploratory, descriptive or causal research phases, and specifying measurement, sampling, data collection and analysis plans. The document also describes different types of research designs like exploratory, descriptive and causal research; and relationships between exploratory, descriptive and causal phases of research. Finally, it outlines common tasks involved in formulating a research design like defining information needs, designing research phases, specifying measurements and sampling, developing questionnaires and data analysis plans.