This document provides an overview of research design topics covered in Chapter 4 of BGMT 311, including exploratory research, descriptive research, causal research, and test marketing. The key points are: - Research design establishes the methods and procedures for collecting and analyzing information to address research objectives. Good design allows for more efficient and cost-effective research. - The three main types of research design are exploratory, descriptive, and causal. Exploratory research helps gain background and develop hypotheses, while descriptive research measures variables and causal research tests relationships between variables through experiments. - Descriptive research can be cross-sectional or longitudinal. Causal research uses experiments to isolate the effect of independent variables on dependent variables through control and