Persuasion & consumer psychology · law 064
Pratfall Effect
By Shivam Bhandari · Reviewed 31 October 2026 · How we write
what it means
Competent people and brands become more likeable when they show a small mistake or flaw.
How Pratfall Effect works
Perfection feels distant. A small, honest flaw makes a competent person or brand more human and relatable.
It only works if competence is already established. For someone seen as incompetent, a mistake just confirms the view.
where it comes from
Social psychologist Elliot Aronson showed in 1966 that a highly competent quiz contestant who spilled coffee was rated as more likeable than one who did not.
Pratfall Effect examples in business
Advertising
Volkswagen's 1960s ‘Lemon’ ad openly admitted a flaw in one car, signalling strict quality checks.
Founders
A founder who shares a mistake and how they fixed it earns more trust than one who claims perfection.
Service recovery
A restaurant that openly apologises for a slow evening and offers a free dessert can win more loyalty than a flawless night.
How to apply it
- 1Establish real competence first.
- 2Be open about small weaknesses or trade-offs.
- 3Turn honest mistakes into stories of how you fixed them.
- 4Never fake flaws — admit real ones.
common misreading
It does not excuse repeated errors. The flaw must be small and the overall competence clear.
ask yourself
What small, honest weakness could you admit that would make your brand more believable?
Frequently asked questions
What is Pratfall Effect?
Competent people and brands become more likeable when they show a small mistake or flaw. Perfection feels distant. A small, honest flaw makes a competent person or brand more human and relatable.
Who came up with Pratfall Effect?
Social psychologist Elliot Aronson showed in 1966 that a highly competent quiz contestant who spilled coffee was rated as more likeable than one who did not.
How do you apply Pratfall Effect in business?
1. Establish real competence first. 2. Be open about small weaknesses or trade-offs. 3. Turn honest mistakes into stories of how you fixed them. 4. Never fake flaws — admit real ones.
What is a common misunderstanding of Pratfall Effect?
It does not excuse repeated errors. The flaw must be small and the overall competence clear.