1) The document discusses the importance of receiving audience feedback through test screenings and surveys in order to improve films, trailers, and marketing materials to better appeal to target audiences.
2) It provides examples of how films like Paranormal Activity and The Woman in Black utilized test screenings and marketing campaigns incorporating audience feedback to succeed.
3) The author's group conducted surveys and test screenings of their horror film trailer which provided feedback that helped them better meet the interests and needs of their target teenage audience.