Even more impressive, however, is how mysterious these priming effects are. When you took that sentence-completion test, you didn’t know that you were being primed to think “old.” Why would you? The clues were pretty subtle. What is striking, though, is that even after people walked slowly out of the room and down the hall, they still weren’t aware of how their behavior had been affected. Bargh once had people play board games in which the only way the participants could win was if they learned how to cooperate with one another. So he primed the players with thoughts of cooperativeness, and
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