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Authority 0:35
A 35-second explainer of Authority, narrated over the same demo you can try yourself.
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What this video covers
Authority is our tendency to trust, and act on, advice that comes from a credible source - an expert, a credential, an official badge. The same claim lands harder when it arrives with a reason to believe the person making it.
The advice didn't change a word between the two versions; the byline and the credential did. Stripped of them it read as just an opinion; dressed in expertise it felt like something to act on. That shift in trust, with the content held constant, is the authority principle at work.