Persuasion & consumer psychology · law 053
Liking Principle
By Shivam Bhandari · Reviewed 31 October 2026 · How we write
what it means
People are more easily persuaded by those they like — people who are similar, friendly, and familiar.
How Liking Principle works
We like people who are similar to us, who compliment us, who cooperate with us, and whom we see often. And we say yes more to people we like.
For business, this is why relationships, local presence, friendly service, and relatable founders sell.
where it comes from
Described by Robert Cialdini in Influence (1984), using the example of Tupperware parties where friends sold to friends.
Liking Principle examples in business
Local businesses
A shopkeeper who remembers customers' names and families keeps loyal customers despite cheaper online options.
Sales
Salespeople who find genuine common ground early in a call build trust faster.
Founder brands
Founders who share their story openly on social media build fans who buy from them.
How to apply it
- 1Train staff to be genuinely warm and to remember regular customers.
- 2Find real common ground with prospects.
- 3Show the people behind your brand.
- 4Be consistent and visible so familiarity builds.
common misreading
Fake friendliness is easy to spot. Liking works when it is genuine.
ask yourself
Would your customers describe your team as people they actually like dealing with?
Frequently asked questions
What is Liking Principle?
People are more easily persuaded by those they like — people who are similar, friendly, and familiar. We like people who are similar to us, who compliment us, who cooperate with us, and whom we see often. And we say yes more to people we like.
Who came up with Liking Principle?
Described by Robert Cialdini in Influence (1984), using the example of Tupperware parties where friends sold to friends.
How do you apply Liking Principle in business?
1. Train staff to be genuinely warm and to remember regular customers. 2. Find real common ground with prospects. 3. Show the people behind your brand. 4. Be consistent and visible so familiarity builds.
What is a common misunderstanding of Liking Principle?
Fake friendliness is easy to spot. Liking works when it is genuine.