The document discusses different types of research techniques. It describes audience research as researching target audiences' behaviors, thoughts, and interests to gain better insights. Market research can help reveal competitors' strategies and audiences to lead in the market. Production research helps companies decide factory needs for their products. The document also outlines quantitative and qualitative data, and secondary and primary methods of research. Quantitative data measures things numerically, while qualitative explores how people think and feel. Secondary research uses existing data while primary involves first-hand research like surveys and interviews.