Tactic 11 of 99
The Halo Effect
One shining trait and people paint the whole person gold.
What it is
When someone is good-looking, confident or impressive in one way, we assume they’re good in other ways too. Kind, clever, honest. Psychologist Edward Thorndike named it in 1920, after noticing officers rated soldiers who looked sharp as better at almost everything. Later, Richard Nisbett and Timothy Wilson showed people often don’t realize one trait is coloring their whole judgment.
Spot it
You trust someone on a subject you’ve never seen them handle. “He’s so lovely, I’m sure he’s fine with money.” One bright detail doing all the work.
Counter it
Split the person into parts. “Charming, yes. Reliable with money? No idea yet.” Judge each part on its own evidence.