This document discusses key research terminology and methods. It defines terms like circulation, hits, box office figures, ratings, and sales that are used to measure various media. It also defines and provides examples of primary research methods like questionnaires, interviews, focus groups, and product analysis. Both quantitative and qualitative primary research methods are outlined along with their advantages and disadvantages. Secondary research is also discussed. Quantitative and qualitative research approaches are defined and related to closed and open question types. Finally, purposes of research like audience, market, and production research are touched on along with objective, subjective, valid, and reliable research terms.