User testing

Collecting feedback from real users about your solution before it’s finished

Practical Information

What is this tool?

A format to guide and capture the testing of your prototype with real users through observation and by collecting user feedback.

Why do we use it?

User testing helps to adjust your solution before investing a lot of time and money in the full development of your idea. It will help you to validate your assumptions. You will find out how user-friendly your solution is and how satisfied users are with the experience you offer.

Design phase:

Create & test loop


Pen and paper


30 minutes - 1 hour

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A step-by-step guide

1. Select at least 3 user representatives of your target group to take part in user testing by interacting with a prototype you created. 

2. The testers should not need to prepare anything for the testing and it’s best not to share  too much about the objective of your solution beforehand. Make sure that the testers know that they will not be judged by their feedback - whether positive or negative. You can work with an independent facilitator to ensure that testers share honest feedback.

3. A facilitator (this can be you or someone independent) should guide the testers through the user testing. Ask testers to think aloud as they test your product or service so these thoughts can also be captured. The facilitator will  capture the interaction and only support where necessary. It’s important not to tell people what they are supposed to do. 

4. Observe and capture the actions, reasoning and emotions of the person that is testing your prototype. Use the worksheet to do this. Here you describe what you see happen and how you interpret these actions.

5. Interview the tester to get more details about their experience and feedback. At this moment, it is important to create a safe space for the tester and for you to be open to receiving negative feedback as well.

How other organisations used this tool

How to use the outcomes of the tool?

This tool helps validate if your idea fulfills the objectives and assumptions you set out to achieve. The feedback from the testing should serve to improve your solution. Hence, after your testing, you should make sure to integrate the users’ feedback into your product or service and ideally, test it again.

Related tools

Prototype planning
Identifying and planning a prototype to validate crucial elements of your solution
Use your prototype plan to decide which assumptions you want to test.
Creating a cheap and fast solution features to validate crucial elements of your idea
Use a prototype for the user testing. The testing can also guide the development of a new prototype.

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