Which psychological principle best explains why George Clooney's long-term partnership with Nespresso has been so successful at building customer loyalty?

Celebrity endorsements have become a cornerstone of modern marketing strategy, leveraging the psychological connection between fans and their favorite stars. This phenomenon represents a fascinating intersection of consumer psychology, brand loyalty, and demographic targeting. How well do you understand the science behind why certain celebrity partnerships dramatically boost product sales while others fail? Test your knowledge about the psychological mechanisms that make celebrity marketing so effective!

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The Halo Effect - where positive feelings about Clooney transfer to the Nespresso brand
The Bandwagon Effect - where consumers buy Nespresso because they believe everyone else is doing it
The Scarcity Principle - where Clooney's limited appearances in ads make the brand seem more exclusive
The Anchoring Bias - where Clooney's luxury image justifies Nespresso's premium price point