Validate ideas with users.
To check whether the ideas fit the needs of the users, they are tested with the users. This can take place, for example, in the form of user tests. User feedback leads to either refinement or rejection of an idea.
Feedback from users on the prototypically realized ideas.
# Questions to be answered in this phase
- Does the idea solve the users' problem?
- Does the idea fit the needs of the users?
- How to improve the idea?