RESEARCH

For the enthusiasm of lifelong learning. We keep track of the scientific progress, do research ourselves and mentor graduates with a practical focus - to jointly work on areas requiring further research.

Libreoffice Human Interface Guidelines: Context Menu and Sidebar

The Libreoffice Human Interface Guidelines (HIG) have been given a new lease on life. In this posting we present the recommendations for context menu and the sidebar.more...

Libreoffice Human Interface Guidelines: The second step

The Libreoffice Human Interface Guidlines (HIG) have been given a new lease on life. In this posting we introduce the impact of two primary personas on guidelines about menu bars and tool bars.more...

Libreoffice Human Interface Guidelines: First steps

The Libreoffice Human Interface Guidlines (HIG) have been given a new lease on life. In the first step, generic artifacts including the vision, personas, and an UX manifesto are presented.more...

Review of ‘R Graph Essentials’ by David Alexander Lillis

Review of the book 'R Graph Essentials' by David Alexander Lillis.more...

Using the Kano method to prioritize requirements

On the basis of data from the user survey about KGet we show how to apply the Kano method for use in massively multi-user online surveys.more...

What people think about KGet

We present the results of the survey how people currently use KGet.more...

Please participate in a survey about KDE’s download manager KGet

Please participate in a survey about KDE's download manager KGet.more...

How designers think about ‘Save as…’

In a short survey we analyzed the association for a couple of newly introduced 'Save as...' icons compared to the classic floppy symbol.more...

Find the best Icon for ‘Save as…’

Our friends from the World Usability Day in Stuttgart started a competition to create a new icon for 'Save as...'. We ask you to crowd curate the best one!more...

Extracting the DNA of icons

We present a way to measure the quality of icons using a large scale online test. With this data in hand, we seek inspiration on effects on the quality of icon sets.more...

Standard toolbar in Libreoffice

The Libreoffice design team discussed the results of the last survey about some functions in the toolbar. In this posting we share our conclusions.more...

How could KTracks look like?

In a series of articles we illustrate the user centered design process from scratch, based on a still missing application in the KDE world: KTracks, an endurance activity tracker. In this part #3 we present mockups of the application.more...

What do you require from KTracks?

In a series of articles we illustrate the user centered design process from scratch, based on a still missing application in the KDE world: KTracks, an endurance activity tracker. In this part #2 we talk about requirements.more...

What is KTracks?

In a series of articles we illustrate the user centered design process from scratch, based on a still missing application in the KDE world: KTracks, an endurance activity tracker.more...

Intermediate results of the icon tests: Crystal

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Crystal icon set.more...

Reprise of Akademy 2014: Artikulate

During Akademy 2014 BoFs we scrutinized some applications usability and visual design. In this article we present the outcome of our work with the KDE pronunciation trainer 'Artikulate'.more...

Vote for your Keyboard Layout Switcher plasmoid

Please vote for your favored design and workflow of the KDE keyboard switcher plasmoid.more...

Intermediate results of the icon tests: Humanity

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Humanity icon set.more...

Reprise of Akademy 2014: KCM for network manager

Based on a BoF workshop and discussions during the Akademy 2014, we present a proposal for discussion how to integrate the network manager settings into KDE's system setting.more...

Intermediate results of the icon tests: Treepata

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Treepata icon set.more...

Intermediate results of the icon tests: Elementary

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Elementary icon set.more...

Intermediate results of the icon tests: Breeze

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Breeze icon set.more...

Intermediate results of the icon tests: Tango

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Tango icon set.more...

Intermediate results of the icon tests: Nitrux

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Nitrux icon set.more...

Intermediate results of the icon tests: Nuvola

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Nuvola icon set.more...

Intermediate results of the icon tests: Faenza

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Faenza icon set.more...

Intermediate results of the icon tests: Oxygen

With a series of icon tests we currently study effects on the usability of icon design. This article however does not focus on these general design effects but presents findings specific to the Oxygen icon set.more...

Results of Card Sorting the KDE System Settings

Recently we run a survey on KDE's system setting with the goal to rearrange the control modules. Here we present the results and discuss a possible structure for the future system settings.more...

Re-sort KDE control modules

We like to ask you to participate in a study to improve organization of KDE control modules and system settings.more...

Quo vadis, Dolphin? Motifs as replacement for persona.

We conducted a large study about strengths and weaknesses of file managers in may 2013. In this article we present the results regarding demographics of participants and in particular their motifs.more...

Quo vadis, Dolphin? The relation between the ISO 9241-110 and the rating of features.

We conducted a large study about strengths and weaknesses of file managers in may 2013. In this article we present the second part of the statistical analysis regarding the criteria of the ISO 9241-110.more...

Metaphors behind icons – which are really useful?

Metaphors determine the association between a function and its icon. But sometimes these metaphors are misleading or ambiguous. With your help, we want to improve the metaphors used in Libreoffice.more...

Semiotics in Usability: Guidelines for the Development of Icon Metaphors

In the development of icons, the metaphor plays a vital role to ensure reliable perception and comprehension. We introduce seven guidelines that help to create a balanced set of icons with high usability.more...

What is a pencil used for?

Which function do you expect when you see a pencil? To draw something or perhaps fill the background... But in the context of a word processor?more...

About Antiquated Metaphors in Icons

Antiquated metaphors in icons can work better than modern, but complicated ones. This can be shown on the example of the 'save' icon.more...

Methodology of Testing Icons

On the occasion of the large scale usability test of the LibreOffice Writer icons, this article explains how subjective and objective measurements can help to understand the quality of an icon-term relationship.more...

Styleguide following the Baxley model

Styleguides are essential parts of software development. Together with Swisslab we adopted the 'Universial Model of a User-Interface" by Baxley to create a styleguide.more...

Looking back: LibreOffice Conference in Paris

I have been attending the great LibreOffice 2011 Conference in Paris and held a presentation about the problems of finding the gold in the input user provide.more...

LibreOffice user research – Summary

This is the last post about our LibreOffice survey done with UserWeave and we sum up the main findings. Find out about the users of LibreOffice and how motifs can help you to create better personas.more...

LibreOffice user research – Results vol.4

Do users want Ribbons? This post about the software preferences of LibreOffice users answers this and other intresting questions and is part of the results of our extensive user research.more...

LibreOffice user research – Results vol.3

Impress is for people that want to impress and Base and Calc will become extinct? Read about the users and the usage of LibreOffice applications as part of the results of our extensive study of LibreOffice users.more...

LibreOffice user research – Results vol.2

Motifs have the potential to make the creation of personas easier and more scientific. We have done some research together with the users of LibreOffice and show how to work with motifs.more...

LibreOffice user research – Results vol.1

More than 5400 people took part in our LibreOffice User study. The results give insights about who the users of LibreOffice are and how motifs can help to describe them.more...

Results of KMail Icon Test #1

More than 3000 people took part in the KMail Icon Test. Most icons are working well, but some need attention. Interesting results are touching cutural aspects of the design of icons.more...

Some thoughts on testing icons

Icons are used to visualise a term. An icon test evaluates the strength of this relationship based on subjective and objective indicators.more...

Results of TV-Browser Icon Usability Test

The development of a new testing methodology for icons has matured. The test of TV-Browser icons shows a varying quality of icons.more...

Icon Test with TV-Browser

The development of a new test for the quality of icons reaches the final state. In our validation study more than 22000 tests have been conducted.more...

Testing the Quality of Icons

We announce the availability of an online test of the quality of icons used in TV Browser. Please participate!more...

Integrating Usability and Software Engineering

Usability engineering methodology is currently optimized for the needs of commercial software development. Adaptation for Free Software still needs creative work but has great potential.more...