Which psychological principle best explains why celebrity-endorsed products typically achieve higher sales than comparable non-endorsed products?

Celebrity endorsements have become a cornerstone of product marketing strategies. When famous people attach their names and images to products, consumer perception and purchasing decisions can be significantly influenced. This poll tests your knowledge about the psychology behind celebrity endorsements and their impact on product success. Do you understand how star power translates to retail power?

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The Halo Effect - positive feelings about a celebrity transfer to the product they endorse
The Placebo Effect - consumers believe celebrity-endorsed products actually perform better
The Contrast Principle - celebrities make products appear more affordable by comparison
The Paradox of Choice - celebrity endorsements simplify decision-making by providing a clear option