Psychology · Au
Authority.
Show it, don't claim it.
Authority is our habit of leaning on people who seem to know what they're doing, especially when the decision is unfamiliar or risky. In marketing, the research points one way: expertise people can check works, expertise you just claim doesn't. A named person, a licence number and a specific track record beat 'leading experts' every time.
Written by Dan Picken, a marketer applying published research. Last checked 30 October 2026.An illustration, not study data. The numbers are made up.
What the
research says.
Evidence: MixedCredibility reliably helps persuasion on average. The dramatic obedience studies are real but debated, and say more about trust in a shared goal than about job titles.
Signs of authority change behaviour even when they shouldn't. In Bickman's field experiments, passers-by complied more with a man dressed as a guard than with the same request from a civilian or a milkman.
The famous obedience studies are often quoted here, with less care than they deserve. Burger's partial replication found obedience rates only slightly lower than Milgram's 45 years earlier, but stopped the study at 150 volts for ethical reasons. Haslam and Reicher argue people went along because they identified with the experimenter and the science, not from blind obedience, and that direct orders produced disobedience.
For persuasion, the broad finding holds up. A review of five decades of source credibility research found high-credibility sources were generally more persuasive than low-credibility ones, with exceptions depending on the message and the audience.
The marketing lesson: authority isn't about sounding important. People follow sources they believe know the subject and are on their side. Ordering people around backfires, and so does credibility nobody can check.
In your
marketing.
Service pages
The person who does the work, by name, with their licence or registration number and what they've done. Not a stock photo of a handshake.
Trades
Content
A byline with real experience behind it. Google's quality raters now look for experience as well as expertise.
B2B
Ads
One checkable fact in the headline beats an adjective: '1,200 tax returns lodged' over 'expert accountants'.
Finance
Health and law
Titles have legal limits. Ahpra says 'specialist' implies specialist registration, and solicitors can only claim to be an accredited specialist if they are one.
Health
Claimed authority,
checkable authority.
The same business, with authority it claims next to authority a buyer could check in a minute.
| Industry | Claimed | Checkable |
|---|---|---|
| Trades | 'Experienced, professional electricians' | 'Sam Lee, licensed electrician, licence no. on every quote' |
| Finance | 'Expert mortgage advice' | A named broker, their credit licence number, and how many loans they've settled |
| E-commerce | 'Industry-leading quality' | Who designs the product, and what testing it passed, with the standard named |
| Health | 'Our knee specialists' | A named physiotherapist, their Ahpra registration, and what they treat most. No 'specialist' without specialist registration |
| Education | 'Award-winning teachers' | Named teachers, their qualifications, and the award by name and year |
Try it
Is your authority
checkable?
Paste the line on your website or ad that tells people why to trust you. It flags the words buyers skim past, and checks for the specifics that carry weight.
The example is a made-up business. Nothing you paste leaves your browser.
Checkable signals
0/4
A first pass on the words. In health and law, titles like 'specialist' have legal limits: check with your regulator.
Try this
Swap one adjective for one checkable fact: a name, a licence number, a count.
It backfires when
The authority is claimed, not shown: 'leading experts' with nothing to check.
In my experience
The 'why trust us' section on most small business sites I look at is a row of adjectives: experienced, professional, trusted, leading. Every competitor says the same. The pages that stand out usually do one simple thing differently: they name the person, show what they're qualified to do, and give a number that could be checked.
Test it on
your own buyers.
- 1
Find your trust line
The sentence on your key page that says why someone should choose you.
- 2
Swap claims for facts
Replace each adjective with one checkable detail: a name, a licence, a number. The checker above helps.
- 3
Put it near the decision
Next to the form, the quote button or the price, not buried on the About page.
- 4
Compare four weeks
Enquiries before and after, against a page you didn't change.
Questions
people ask.
What is the authority principle in marketing?
People lean on signs of expertise when they're unsure what to choose. In practice that means credentials, qualifications, track record and who's behind the business, shown clearly and in a way people can check.
Do 'as seen in' logos and awards work?
They can, if they're real and relevant to the buyer. Research on source credibility finds credible sources generally persuade more, but a logo strip nobody recognises adds little. A specific, checkable award beats a generic badge.
Can I call myself a specialist?
In most industries, if it's true. In health, Ahpra says 'specialist' implies specialist registration. For solicitors, only an accredited specialist can use those words. Elsewhere, Australian Consumer Law still bans misleading claims.
Does the Milgram experiment prove people obey authority?
It's more complicated. A replication found similar obedience up to 150 volts, but later work argues people continued because they identified with the experimenter's goal, and resisted direct orders. For marketing, that points to shared goals, not commands.
Is authority the same as E-E-A-T?
They're related. Google's quality raters look at experience, expertise, authoritativeness and trust, and Google added the extra E for experience in December 2022. Both reward showing who's behind the content and why they know.
Keep going
Where is this costing
you sales?
Takes a minute. Audits come back within 1 to 2 business days. For anything else, I'll get back to you as soon as possible.
What happens next
- 1I'll ask for read-only access, or just your website for a search audit.
- 2I go through it and write up the 3 biggest fixes.
- 3A 20-minute call to walk you through it. No pitch unless you ask.