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Metaphors we compute by...

Metaphors we compute by. Hammer, eye glass and. the metaphor acts as a tool the metaphor is a tool for thought the metaphor is a means of extending our cognitive capacity. Three aspects of metaphors. Compactness Vividness Inexpressibility >>>. Metaphoric terms. The model

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Metaphors we compute by...

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  1. Metaphors we compute by...

  2. Hammer, eye glass and... • the metaphor acts as a tool • the metaphor is a tool for thought • the metaphor is a means of extending our cognitive capacity

  3. Three aspects of metaphors • Compactness • Vividness • Inexpressibility >>>

  4. Metaphoric terms • The model • The product • The tension

  5. Linearity and the metaphor • The metaphor as a speech act • The constructivist would say… • The behaviourist would say…

  6. Metaphor characteristics • complete - the totality of the product should be represented by elements in the model Based upon the work of Mayer (1989) the following characteristics are indicators of an effective metaphor: complete, coherent, concrete, conceptual, correct and considerate. • coherent - the level of detail should be appropriate to the needs of the learners • concrete - the structures and actions of the metaphor should be obvious to the learner • conceptual - the underlying concepts should be clear • correct - where a tension exists this should be clarified • considerate - the metaphor should use appropriate vocabulary and representation

  7. Desktop, Director and the walled garden • The computer screen is the desktop • I would like to consider a slightly more narrow metaphor adopted by a leading software company Macromedia • The Walled Garden

  8. Close • The metaphor is a linguistic tool that has moved from linguistics to pragmatics • The ‘product’ based upon the ‘model’ enables better cognitive processing • Metaphors relate to compactness, vividness and inexpressibility • The metaphor is popular in the world of computing

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