Saturday, November 12, 2011

Week 4 / Third Lecture: Understanding and conceptualizing interaction [Wenyong]

The lecture's topic for this week is Affordances. [week 4] I really found that this topic was simply interesting. Affordances, is also known as one of the principles of User Interface Design which included seven principles, they are Tolerance, Simplicity, Visibility, Affordance, Consistency, Structure and Feedback.

Affordance is defined in Wikipedia as a quality of an object, or an environment, which allows an individual to perform an action. For example, a knob affords twisting, and perhaps pushing, while a cord affords pulling. The term is used in a variety of fields: perceptual psychology, cognitive psychology, environmental psychology, industrial design, human–computer interaction (HCI), interaction design, instructional design and artificial intelligence.


In other words, Affordance is the
Ability to create something that the user can't avoid of using it. For example, we must use a mouse in order to control a computer.

The word "affordance" was originally invented by the perceptual psychologist J. J. Gibson (1977, 1979) to refer to the actionable properties between the world and an actor (a person or animal). He explored it more fully in his book The Ecological Approach to Visual Perception in 1979. Imagine one of your friends living in Village 1 was nice enough to let you spend hours downloading mp3s onto his computer. Now imagine what it would be like if you had to copy all your mp3s to a CD using a textual user interface. Of course, our life was made much easier with the adoption of graphical user interfaces such as Windows Explorer.

How do Affordance apply to robot?
Affordance is applied on robots through how it is applied to our daily basis. it must be designed and made so that it can benefit our life, and in the same time it must be user friendly.

In conclusion, all design regarding Affordance must be persuasive and able to function as expected. If the object produced is in line with Affordance, then it will benefit the user and profit for the client.

References:
http://en.wikipedia.org/wiki/Affordance

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