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Research NewsArchive › Mind & Brain

MIT · North America

When it comes to predicting people’s preferences, it pays to consider “the power of three”

Mind & Brain · 11 June 2026

In his 1927 paper, “A law of comparative judgment,” the American psychologist L. L. Thurstone proposed that when people select one option among multiple alternatives, they are picking the one that has the highest value to them, even though they cannot assign a

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