ARTH 1100 Lecture 2: 3_Lecture Notes_HCI_affordance(4)
14 Feb 2017
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[] affordances provide strong clues to the operations of things. When affordances are taken advantage of, the user knows what to do just by looking: no picture, label, or instruction (cid:374)eeded. (cid:863) Norman, 1988 p. 9, the psychology of everyday things http://en. wikipedia. org/wiki/affordance http://www. jnd. org/dn. mss/affordances_and. html. The desired controls can be perceived or can be discovered: in an easy to use design, if they can both readily be perceived and interpreted, whether standard conventions are obeyed (cid:862)hidden affordance . A hidden affordance indicates that there are possibilities for action, but these are not perceived by the actor (cid:862)false affordance . Does not have any real function, we perceive nonexistent possibilities for action. Perceptible affordances exist where information on the actions that are afforded are perceptible to the user. These are very dependent on language, culture, context, experience, etc. and vary for different users. (cid:862)hidden affordance .
