Friendliness Bias

The tendency of people to agree with those they like in order to maintain a non-confrontational conversation

Why it matters

It is why user interviews glow and launches flop: someone you have been kind to for thirty minutes will not tell you your idea is bad. Ask about their behaviour and their past — never their opinion of your thing.

The numbers

  • Ask about the past — behaviour resists politeness; predictions do not

Related terms

Ask your assistant

Define "Friendliness Bias" using uxspot.

Works in Claude, Cursor or any MCP client — connect the uxspot MCP.

Think it stuck? A 20-second round of Spot Check will tell you.