EVERYDAY PERSUASION
How we form our opinions, make our decisions, and come to believe the things we believe.

Informal Authority: From the TV Show to the Bloke at the Pub

It could be a workmate, a TV entertainment show or the neighbour who’s lived there for years, we all know someone who has informal authority.

Well, Dave says that's not how it works. He knows about this stuff.

We all know a Dave. He’s that person who others look to for knowledge, input or opinion. He’s not a know-it-all, but he’s also not an recognised expert with formal titles and qualifications.

Instead, he has built up a level of trust, confidence and longevity that makes other people see him as some kind of authority figure.

If Dave says something is so, people will often take his opinion on board and use it as their own, weather or not he is actually correct.

Formal vs Informal Authority

When we hear the phrase authority bias, we tend to picture figures who quite clearly do have a certain level of official authority such as doctors, judges, politicians, and institutions with titles and uniforms. That form of authority matters — and it deserves its own post.

But it isn’t the only kind.

There is another version of authority bias that operates far more quietly and far more often. It has no official status, no formal power, and no clear boundaries. It shows up in offices, friendships, families, neighbourhoods, and entertainment. It is informal, low-key, and rarely named — which is precisely why it works so well.

This article focuses on that lesser-known form of authority bias: the people who we know personally and who we defer to in our normal everyday lives.

A cartoon of a man in a pub holding court with his friends and giving them the benefit of his knowledge and wisdom.
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What is Informal Authority?

None of us has the time or energy to think everything through from first principles. We rely on shortcuts — people whose judgement we trust enough to borrow.

Informal authority bias is what happens when we give extra weight to someone’s opinion simply because they feel credible, familiar, confident, or established. Not because they are officially in charge, but because they’ve quietly become the person others listen to.

It isn’t foolishness. It’s efficiency. Authority reduces friction. It speeds decisions. It removes the discomfort of uncertainty.

And once it’s established, it rarely needs defending.

The Informal Authority Figure

Examples:

  • “Dave says that’s not how it works.”

  • “She reckons they’re changing things next month.”

  • “Megan says it’s because of something in sugar.”

These people:

  • may have no formal credentials

  • may not even be especially knowledgeable

  • but are treated as epistemic shortcuts for groups

What’s going on psychologically:

  • Familiarity + confidence + repetition = authority

  • Groups outsource thinking to a recognised internal voice

  • The statement “X says” ends debate rather than begins it

This is authority bias, but in its social rather than institutional form.

 

How Authority Enters a Conversation

Every group has this moment.

“Well, X says…”

The sentence lands, and the discussion shifts. Often, it stops.

X may not be the most informed person in the room. They may not even be especially accurate. But their opinion carries weight because the group has decided — implicitly — that it does.

These informal authorities emerge through repetition, confidence, and familiarity. Over time, their views harden into reference points. Disagreeing with them begins to feel like arguing against reality rather than offering an alternative.

Authority, here, doesn’t persuade through evidence. It persuades through recognition.

Confidence as Authority

One of the most reliable ways to acquire informal authority is simply to sound certain.

We are deeply uncomfortable with hesitation. Pauses feel like weakness. Qualifying feel like doubt. Certainty feels reassuring.

As a result, fluent speakers — even when they are guessing — are often treated as knowledgeable. People who speak quickly, confidently, and without visible self-correction are assumed to know what they’re talking about.

This is why confidence is so often mistaken for competence.

A confident speaker on stage speaking with authority and working the audience

It’s also why stage mentalists, motivational speakers, consultants, and charismatic figures can exert influence without needing to prove much at all. They don’t dominate through force. They guide through tone.

Once again, the effect is subtle. We don’t think, I trust them because they’re confident. We just find ourselves trusting them.

The Authority of Longevity and Familiarity

Some of the most powerful informal authorities are not impressive in any conventional sense.

The colleague who has “been here forever”.

The person who knows all the unwritten rules.

The one who always seems to know who to talk to, or what will happen next.

Their authority comes from survival and familiarity. If they’ve lasted this long, we assume they must be right. Or at least safer to agree with than challenge.

In local settings, this extends further.

The neighbour everyone defers to.
The organiser who controls access to information.
The figure who isn’t liked, but is carefully not crossed.

Authority here isn’t admired. It’s accommodated.

Entertainment as Authority

Informal authority doesn’t only live in social groups. It also emerges through entertainment.

Quiz shows, panel programmes, clever podcasts, and trivia-heavy formats occupy a strange middle ground. They feel light, informal, and playful — yet they quietly accumulate credibility.

People say things like:
“I heard on that programme that…”
“Apparently it’s true — they said it on there.”

Information delivered with confidence, humour, and repetition sticks. Over time, tone replaces verification. Familiar voices become trusted ones. The boundary between entertainment and knowledge blurs.

If something sounds clever enough, and we’ve heard it often enough, we rarely stop to ask where it came from.

Authority Without Titles

What all these examples share is the absence of formal power.

No uniform.
No institutional backing.
No official mandate.

And yet influence flows all the same.

Informal authority works because it feels natural rather than imposed. It doesn’t announce itself. It doesn’t need justification. It grows quietly through habit and convenience.

Most of the time, we don’t even experience it as persuasion.

Why Informal Authority Is So Effective

Informal authority succeeds because it offers comfort.

It reduces uncertainty.
It simplifies decisions.
It spares us the effort of thinking everything through.

Following someone who “seems to know” feels easier than challenging them. Deferring feels more polite than questioning. Agreement feels smoother than resistance.

In that sense, informal authority isn’t about control. It’s about relief.

Which is why it spreads so easily.

A Quiet Closing Thought

Informal authority bias doesn’t look like obedience. It looks like common sense. It lives in phrases, habits, and familiar voices. It feels ordinary, harmless, even helpful.

But once you start noticing who you defer to — and why — it becomes harder to ignore how often certainty replaces scrutiny.

This post has focused on the quiet, everyday version of authority: the kind that lives among peers, friends, colleagues, and cultural voices.

There is another side to authority bias — louder, more formal, and far more consequential — where institutions, media, and official power grant permission on a much larger scale.

That is a different story which you can read about here >>>

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Download this eBook as a free introduction to our series

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