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The Wailing Creatures are a successful rock band with 3 hit albums to their credit. They begin their US tour featuring many new unreleased songs, all of which draw silence from their concert fans. The same fans cheer wildly when the band play any of their old hits. Gradually, the band reduces the # of new songs and plays more old ones.
What is operant conditioning?
(Playing new songs - negative consequences (silence) or punishment. This weakens their tendency to play new songs. Playing old songs - positive consequences (cheering) which strengthens the tendency to play old songs.