User centered design (short UCD, sometimes called Human centered design) emphazises focus on end users of a product and aims to test and develop products in close interaction with users.

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Using card UI where should a set of actions go? (Share, details, info)

I'm using card UI for a project and while some cards maybe we in a row or a column many make up a grid. The issue is some cards have one action like "share" while others have 2 or 3 actions. I want a ...
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Usability in Mobile Learning

I am making a research about interfaces and usability of mobile apps for learning idioms (duolingo, babel, vox, etc). The research has a objective to gather aspects, such as: efficiency, learnability ...
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User experience issue and technical limitation in drag and drop functionality

In order to provide more information I am explaining you with more pictures with actual functional scenario. I am creating internal ticketing support system where super admin can able to see list of ...
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Music app. How should you display free and paid purchases?

It's a free music app. The app has free and paid purchases. I wanted to give users the choice after buying to remove the purchased download but still stream the song. This means the states for a paid ...
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Research CALL (Computer-Assisted Language Learning) with mobile devices

I am looking for more researches on this particular use of technology. If anyone know similar cases or studies about, please, share with me! In the meantime, thank you so much for your attention and ...
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UI for selecting multiple records with multiple cases

The title may not suffice to describe the nature of my problem here. But to describe, i'll give my data model and the current UI used to implement it. The tables and relation : 1) I only have two ...
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Workshop leading to design ideas

I am looking for some suggestion for a workshop I need to run. Research to date: The research carried-out so far was based on user interviews which have lead to the development of 3 personas and ...