Which psychological principle do movie studios most commonly apply when scheduling 'sneak peek' screenings before a film's official release?

In the film industry, understanding viewer psychology is critical for successful marketing campaigns and box office performance. Studios invest millions in research to determine how audiences will respond to various elements - from poster designs to trailer cuts. This trivia question explores one fascinating aspect of consumer psychology that major studios have leveraged in their marketing strategies.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The IKEA Effect - viewers value films more when they feel they've discovered them early
Social Proof - early viewers create word-of-mouth buzz that validates the film's quality to mass audiences
Loss Aversion - limited screenings create fear of missing out on exclusive content
The Endowment Effect - early viewers develop ownership feelings toward films they've seen first