The document discusses various research techniques used by movie studios to determine what type of movie to make and how to market it. These include surveys of the general public to gauge preferences, test screenings of rough cuts to get feedback, and analyzing data from websites like IMDb. The results help studios shape the movie based on audience interest and make it more appealing. Test screenings and exit polls after a movie's release provide information on what people liked and disliked and whether the marketing was successful in reaching the intended demographic.