This document discusses different types of research: - Descriptive research gathers quantifiable information through closed-ended questions to statistically measure characteristics about a group. While it provides defined insights, used properly it can help organizations better understand audiences. - Historical research examines past events and combinations of events to provide an account of what has occurred previously. It aims to communicate an understanding, rather than just collect facts. - Exploratory research is conducted when a problem is not yet clearly defined. It helps determine the best design, methods, and subjects for further research by exploring an issue without a predetermined outcome.