This document discusses audience investigation and several theories related to understanding audiences. It defines what an audience is and explains that audiences are defined by demographics like age and income, as well as psychographics like interests and beliefs. It then summarizes Sigmund Freud's theory of the uncanny, which proposes that cognitive dissonance occurs when something is both familiar and unfamiliar. Next, it discusses Laura Mulvey's feminist theory of sadistic voyeurism as it relates to the horror genre. Finally, it provides an overview of Stuart Hall's encoding/decoding model of how audiences receive and interpret media texts based on their social positions and preferred, negotiated, or oppositional readings.