UI Design a branch of Interaction Design

A bit more on why UI Design is in fact a branch of Interaction Design.

Here only some of UI Design principles, which are concerned with time:

– Chunking, Arranging content in grids, Alignment – reduce time of information scanning
– Fitt’s law and Recognition over recall – directly time related
– Hick’s law and related Signal-to-Noise ratio, Form follows function, Ockham’s razor and Framing (or Priming), Choice of color and language based on Cognitive Dissonance principle – all save time by focusing on “user defined” meaningful info
– Storytelling and consistency – save time remembering things and predicting events
Interaction design is concerned primarily with time design (as opposed with design of space – a realm of graphic design).
The goal of interaction design is to remove time fluff: excessive clicks, scrolling, browsing, unnecessary screens – time-wasting information/interaction (of course the important question here is who decides which information is important (in a good process the importance is filtered from future users)).
Since time flow is subjective experience, the designer goal is to make it seamless unless disruptions are required due to overriding safety concerns.
Another important condition: the processes should be optimized to fit human nature (for instance it should support learning via exploration of system boundaries, for another instance it should support hero role playing), not to “ease of use” – a misnomer for usability if there was one.

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