Halo Effect

How does one good trait color the rest?

You'll meet 5 people. For each, you'll see one positive trait, then rate four unrelated traits on a 1–5 scale. We'll compare your ratings to a control to see how much the halo bled into unrelated dimensions.

Why this matters: The Halo Effect was first documented in 1920 by Edward Thorndike — military officers rated as physically attractive were also rated as smarter and more loyal, with no evidence for either. The same bias drives hiring, promotions, and gossip every day.

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