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metaph

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  Metaphors and Styles of Human-Computer Interaction  The psychology of metaphors  Like affordances, having a metaphor can tell you how you might use something.  Unlike affordances (which are direct), metaphors are indirect (require more inferences)  The psychology of metaphors  a metaphor provides a lot of information  it enables the transfer   of skills  good metaphors provide natural mappings    metaphors are not taken literally  they can highlight underlying assumptions  metaphors are not symmetrical    they can be violated  The psychology of metaphors  metaphors can be mixed (e.g., windows and desktops)  metaphors can be misleading (putting a disk in the trash)  some things don‟t seem to have any obvious metaphor (ex: UNDO)  one metaphor is better than another if it leads to more correct predictions about a system‟s behavior.
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