For example, in 2002, Adam Galinsky, now at Columbia University, and three other social psychologists studied negotiators who’d had their first offer accepted. They asked these negotiators to rate how much better they could have done if only they’d made a higher offer. The more they regretted their decision, the more time they spent preparing for a subsequent negotiation.[3] A related study by Galinsky, University of California, Berkeley’s, Laura Kray, and Ohio University’s Keith Markman found that when people look back at previous negotiations and think about what they regretted not doing—for
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