The document discusses different types of research: - Exploratory, descriptive, and explanatory research are common purposes to gain understanding, observe situations/events, and explain variables. - Primary research involves directly collecting data through questionnaires, surveys, and interviews to have full control over the data. - Secondary research uses existing sources like books, journals and statistics to save time and money while providing context. - Both primary and secondary research involve quantitative and qualitative questions, and the benefits of each are outlined.