Medium Impact
Algorithm: Medium
Social Perception
Horn Effect
"If I don't like how you dress, I probably won't like your personality either. Efficiency!"
What is Horn Effect?

The tendency to let a negative impression influence judgments about all other traits. The halo effect's evil twin.

Real-World Impact

Creates unfair negative evaluations and can torpedo relationships before they start.

Fun Fact

The horn effect can completely override positive traits, which is why first impressions are so crucial and so unfair.

Random Insight

"Warning: Your thoughts may be more influenced by what you had for breakfast than you realise."

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