David Pasztor

David Pasztor

Budapest UX studio Joined over 3 years ago

  • 52 stories
  • Posted to Mobile UX Design Case Study: How We Built An MVP For Wattler, in reply to Mike Wilner , Dec 07, 2017

    Thanks for asking! Ideally it depends on how diverse your target audience is. If you have 1 persona, than probably 4-5 interviews will be sufficient to see a pattern and draw a conclusion. But, if you have 3-4, or more personas you should do 3 interviews per each personas. That’s the minimum. If you don’t find a strong pattern in 3 interviews, you should continue interviewing. Your goal is to find a pattern (for example about their problems, or their needs, motivation).

    We would have made more interviews as well but in such a short time frame we could only conduct 4 interviews (this was still a better solution than entirely skip the interview part and it already was helpful). By the way, it would make sense to revisit the interview process again (now that the MVP phase is over) in order to decide which direction to go forward with the product.

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  • Posted to Best Design Systems Built in Sketch, Sep 11, 2017

    We just wrote a great article about how to set up a design system in Sketch. Read it here: Design System in Sketch: Simplify Designer Developer Collaboration

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  • Posted to Product Psychology: How Users Process Rewards, in reply to Ben Krogh , Sep 05, 2017

    Thank you Ben :) We try to publish useful articles here. An upvote can keep us motivated. ;)

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  • Posted to 3 Useful UX Workshops, Aug 17, 2017

    Sometimes it is so hard to convince stakeholders about a change in the product. I think many designers experienced this issue.

    Holding workshops can be a good solution for this issue, because it helps to get everyone on the same page, and make decisions together.

    So I collected 3 UX workshops that can be useful for you in this article.

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  • Posted to Product Design Book, Apr 04, 2017

    Hey Fellow Designers, Today is a big day for me, I publish my first book. It's called Product Design. Some of you from the DN community have already read it, and I want to thank you for your help and feedback.

    I’ve spent the last six months collecting all the case studies and methods we use with my team. My goal was to create a book that gives you a comprehensive guide to designing digital products people will love. It took me more time than I had expected but it’s finally here and I am very proud of it. It’s 199 pages long, filled with beautiful illustrations and examples.

    I hope you will like it. :)

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  • Posted to We build a new UX Portfolio site. This is how our first example project page looks., in reply to Marcel van Werkhoven , Jan 18, 2017

    This whole thing is a prototype. Those will be clickable tags, so you can see other case studies where they used the given method.

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  • Posted to Tech trends we can’t wait to see in 2017 as a design team, Jan 05, 2017

    As a design team, we are fond of innovations changing the user experience. We collected all the tech trends we expect in 2017 that will probably affect our lives.

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