Articles & Videos

Heuristics & interaction principles - what´s the difference?

In our courses, we are often asked what the difference is between heuristics and interaction principles, as they seem very similar at first glance and both serve roughly the same purpose.

Contextual Inquiry vs. User Research - Is there a difference?

Context of use analysis and user research, what's the difference? I'm sure some of you have asked yourselves this. Don't worry, I'll explain what the difference is!

Usability Evaluation - Methods Overview

You always wanted to know what different methods there are in usability evaluation? Then I'll give you a brief overview here.

What´s a Usability Test? ... a kind of Interview?

A usability test is defined in the UXQB curriculum as: "A usability evaluation in which representative users perform specific tasks with the interactive system so that usability problems can be identified and analysed or effectiveness, efficiency and satisfaction can be measured."

What are Interaction principles?

Interaction principles include general design recommendations that are not tied to a specific system or context of use. In general, the interaction principles can overlap when it comes to a usability problem.

10 Nielsen Heuristics

Heuristics are often used in usability inspections to help identify potential usability problems. In this article you will find out exactly what these are.

Do we need to do a prototype?

Many of us have certainly asked ourselves the question at some point: Is a prototype really necessary? We've been planning for long enough, why should we now have to create a prototype that not only takes time but also money?


Typography is the appearance of text. One task of typography is to increase the readability of a text so that the content comes across comprehensibly and the other is to underline the message of the text.

What must a UX professional know?

CPUX stands for "Certified Professional for Usability and User Experience". If a candidate passes the UXQB ("International Usability and User Experience Qualification Board") exam, this means that he or she has successfully demonstrated that he or she has mastered the theoretical content defined in the various curricula - in the case of the Advanced Levels also the application of various methods.

Usability and User Experience: What’s the Difference?

How can you ensure that users have a good experience throughout the process of accomplishing a goal? To answer this question we need to understand the meaning of usability and user experience, their differences, and how they are related.

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