This document discusses research design. It begins by defining research design as the overall framework or blueprint that guides a research project. Research design is important as it helps provide structure, direction, and organization to research operations. The document then outlines three main types of research design: exploratory design which aims to generate ideas and insights, descriptive design which describes characteristics, and hypothesis testing design which tests relationships between variables. Key aspects of each design type are also discussed such as appropriate sample sizes, objectives, and data collection methods.