Norman tries to describe it in the post “Affordance, Events and you may Design.” The guy helps make a difference anywhere between genuine and you may understood affordances. Whatever seems into a computer display are an identified affordance. The genuine affordances out-of a computer is actually their actual portion: this new display by itself, the brand new piano, the trackpad. The latest MusEDLab is motivated to create the aQWERTYon by considering the personal computer’s genuine affordances having music making. Most software structure ignores the actual affordances and just considers the identified ones.
Painters out-of graphical member connects rely available on abstract models and you can cultural events. (Think just how many software play with a graphic out-of a floppy disk as the a relief symbol, and now compare with the final day you saw a real floppy disk.) Having Norman, graphics try observed affordances of the meaning.
Joanna McGrenere and you may Wayne Ho make an effort to complete the idea off more difficult from inside the “Affordances: Making clear and you will Changing a thought.” The definition of is actually coined from the perceptual psychologist James J. To have Gibson, affordances are present in addition to the actor’s capacity to perceive him or her, and do not trust this new actor’s feel and community. Having Norman, affordances can include both imagined and you may genuine qualities, and this to me makes far more feel. Více