UX Design for Mobile

Recruiting participants

With usability testing, your goal is to identify the biggest rocks in the user's path that prevent them from achieving their goals successfully. You don't need to test with a large number of users to identify those big problems. Studies have shown that testing your product with 3 to 5 users is enough to catch most of the big usability issues. Testing with more users quickly results in diminishing returns, and it is much better to organize a new study instead.

For example, if you have the resources to test your solution with 15 different people, it is much better to organize three rounds with 5 users each than a single testing round with 15 of them. Having multiple rounds allows you to solve the bigger issues and verify ...