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Teemu Talja

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interaction design

user experience design, goal directed design, user interface design, paper prototyping, wireframes, information architecture, contextual design, ux design, ui design

HSB color model : a visual guide for adjusting colors

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HSB (HSV) makes color adjustment easy. You can use HSB color model in most graphic design software. HSB components are hue (H), saturation (S) and brightness (B). When you understand what they do, yo... Read more

Lean version of ISO 13407, the human-centered design standard

1. Understand supported activities situations and goals. Produces requirements. 2. Sketch outlines of functional solutions. Produces feedback.
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I outlined a user-centered design process model in my earlier article, but did not put it in context. Despite novel, peer reviewed user- and human-centered design methods exist, the meanings of the te... Read more

What is Interaction Design – in Finnish?

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Tanworth comb, an iron-age bronze comb (≈ 25–75 AD) What is Interaction Design – in Finnish? In a wider sense, user goals are taken as starting point, and interaction processes how these goals c... Read more

Screen and pixel sizes on phone and tablet devices

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The size of a pixel has been about standard, 38 pixels per centimeter (96dpi). When you talked of “14 pixel Arial” size, you used to be understood correctly, just like when you would speak of "the... Read more

Pen and touch screen wireframing

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Drawing wireframes on touch screen has several benefits compared to paper. An interactive prototype is more convincing than a mere picture, and needs less documentation. Digital text is easy and fast ... Read more

A User-Centered Design process: first draft

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A good service and user experience designer does two things: understands the needs that are related to a product or service, and creates solutions that fulfil these needs. The stages of creating and u... Read more

Perceived quality is no guarantee of high quality UX evaluation

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In interactions between a usability expert and a customer, improving specialist expertise does not always enhance the customer's service experience. This is caused by the following forces: Problem bas... Read more

About me

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I can really relate with these Alan Cooper's words.... Read more

Recent Posts

  • HSB color model : a visual guide for adjusting colors
  • Product management, human-centered design and agile at Reaktor Innovations
  • Lean version of ISO 13407, the human-centered design standard
  • Five tips for improving privacy without sacrificing usability
  • What is Interaction Design – in Finnish?

Tags

  • interaction design (8)
  • user research (5)
  • service design (4)
  • lean and agile (4)
  • usability evaluation (3)
  • devices and platforms (3)
  • web frontend development (2)
  • just for fun (2)
  • visual design (2)
Teemu Talja
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