Pre-production research involves surveys to define the target audience for a film. Post-production research includes test screenings where members of the target demographic view an early edit and provide feedback via surveys. Anchorage refers to using signs, symbols, and context to assign meaning, like centering a popular actor on a film poster to imply it will be good. The Need for Speed posters use anchorage techniques like featuring cars, roads, and Aaron Paul to attract the target demographic of 15-35 year old males.