Increase value
Not Invented Here
The rejection of the unknown.

How it works
Knowledge, ideas or products that do not originate from oneself or one's own group are initially rejected and not considered useful.
When to use it
Use the effect if you want users to consider your product as especially valuable and be willing to pay more for it.
Give the user the feeling that they have worked out the information themselves.
Online examples from practice
Develop information yourself
Give the user the feeling that they have worked out the information themselves.
- Let your users think for themselves


All 80 triggers as a printed card set
For workshops and test planning with your team.