Usability Quote of the Day

May 23, 2012

There's something very odd going on here. If designers made completely unrealistic assumptions about the physical world when designing technology, then we would blame them (and likely sue them) for technical incompetence. Yet when they make grossly unrealistic assumptions about human nature... we don't blame the designers, we blame the unfortunate people who are just trying to do what the design requires. -- Kim Vicente, The Human Factor, p. 45.    (via interaction-design.org)

Thursday, October 20, 2005

Emotion and the sense of presence in HCI design

Real vs. virtual effects on user experience ...

"Emotion is becoming accepted as an important ingredient of successful humancomputer interaction (HCI) design. It has always been important in design, but as a discipline rooted in the methods and mindset of the cognitive psychology of the 70s and 80s, HCI has been slow to accept that affect (as exhibited in feelings of happiness or anxiety) is an essential component of reasoning about the world, not an opposing force. Although we may loosely speak of emotion versus reason, both too much and too little emotion will have a negative impact on cognition, with the latter being the more pathological.

In the design of HCI, both software and hardware, it is important to keep in mind that not all emotions are equal. As an evolved response system aimed at survival, negative feedback in the form of unpleasant emotional experiences are particularly important. Any successful and advanced organism must be able to answer the following questions (though not necessarily in this order):

- Is this happening in the world around me, or only in my head? (answered on the basis of whether I feel present in an external environment)
- Is this likely to be true or is it fiction? (answered on the basis of a reality judgement)
- Do I need to avoid this, and how urgently? (answered on the basis of an emotional experience)"   continued ...   (Via uiGarden)

Inferno - User Interface Design, Human Computer Interaction (HCI), Ergonomics

Inferno - Exploritorium virtual environment.

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