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In this short video, Robert Cialdini explains the persuasion principle of reciprocity, noting that people are inclined to comply with those who first give them something. He cites a recent study conducted in a candy store where customers who received a chocolate gift at entry were 2% more likely to make a purchase, illustrating how a small initial gift can create a sense of obligation that boosts sales. The speaker emphasizes the practical marketing implication: offering a modest gift can increase conversion rates.
