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Sketching User Experiences (2)- Bill Buxton
Bill Buxton defines "best practices" in designing for user experiences as a combination of both methods and skills relating to ideation: sketching, testing and problem-solving.
“calm technology” (Weiser & Brown, 1996)
According the Mark Weiser and John Seely Brown (1996), "peripheral information" extends the notion of "affordances" to describe action enabling technologies that are reachable, yet on the periphery of perception and therefore encalming.
An Introduction to Usability – Patrick Jordan
Based on the International Standards Organisation's categories of "effectiveness, efficiency and satisfaction," the author determines ways in which usability can be quantified. 'Effectiveness' is the capacity for a product to generate (or enable) output; 'Efficiency' is measured as the level of effort invested in completing an action or task (for example, the author categorizes usability errors as distinguished between a 'slip' and a 'mistake' in user performance and experience. For him, a slip is when a user accidentally performs the wrong action which is readily corrected by the user, whereas a mistake is when a user thinks he is doing the right thing (intuitive action), but is unable to perform his task.
Armando Guiller
Armando Guiller is a mechanical engineer by training, and a growing artist by passion, and has won numerous honorary awards. His sculptural work has the ability to communicate with scientists, engineers and artists, as it involves craft, mathematical precision, and highly conceptual and philosophical investigations into spatial and perspectival associations. He uses both industrial (metal) and natural (wood) materials, which he treats himself with heavy machinery.