The document discusses research techniques used by film producers to define their target audience. It provides examples of primary research methods like test screenings and secondary research of reviewing previous similar films. Quantitative data refers to numerical data like statistics, while qualitative data provides more in-depth opinions and attitudes from open-ended questions. The document then analyzes the marketing campaign for the film "Walk Amongst the Tombstones" including the trailer which establishes the genre and creates intrigue, as well as the movie poster which features typical genre symbols that attract fans of star Liam Neeson to the action thriller film.