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2. Physical Interfaces
Transcript of 2. Physical Interfaces
three key principles...
where the physical characteristics influence function
a method of limiting the actions that can be performed on a system
symbols and words MAY have accepted meanings
these can get lost though...
symbols - cultural
the relationship between controls and their movements or effects
some other techniques...
a technique used to modify behaviour
reinforce and reward desired behaviours
punish undesired behaviours
form follows function
the suggestion that beauty in design relates to purity of function
copying the properties of familiar objects
(kind of like cultural constraints)
to make them easier to understand
the usability of a system is improved when it's status and methods of use are clearly visible
elements close together are perceived to be related
similar objects seem related
also a method for differentiation
a property of visual equivalence in form
ie, to stop people getting things wrong!
things in the world that might stop us
things we know to be true (assumptions)
things we learn. WARNING - they might be different to other people!
the poker machine is designed to reward play, and therefore take more money!