Which market research innovation, first widely adopted in the 1930s by major Hollywood studios, revolutionized film production decisions by measuring audience reactions?

Before film studios invested millions in blockbusters, they needed ways to predict audience reception. One innovative market research technique revolutionized how Hollywood makes decisions about which films to greenlight and how to market them. This poll tests your knowledge about a groundbreaking market research methodology that changed the entertainment industry forever and is still used today in modified forms.

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Preview screenings with reaction cards
Door-to-door household surveys
Telephone polling of registered voters
Movie theater exit interviews