Oddly Wired
← all facts
perception

One positive trait blinds you to every other defect.

A 1920 study found that officers who rated a soldier highly in one category consistently rated them highly in all unrelated categories.

The halo effect occurs when your overall impression of a person influences your feelings about their character in areas you haven't actually observed.

You are rarely judging someone's character, just the glow of their first impression.

Where this comes from

Study
Thorndike, 1920
What the check found
The claim accurately identifies the origin of the 'halo effect' in Thorndike's 1920 paper, 'A Constant Error in Psychological Ratings', which documented this bias in military officer evaluations.
Confidence
Well replicated

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.