L18F18 - Lecture 18 (18/02/11) *Missed last class How we...

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Unformatted text preview: Lecture 18 (18/02/11) *Missed last class How we organize Knowledge- Similarities (left off last class) o Saw its possible to show that people in a passive manner organize knowledge evn if they dont necessarily hav a conscious scheme that they use in doing so o Ask a neutral question within particular domain which entities are closer to each other we then get a representation which we can analyze- How diseases are related to each other- One of the axes is Seriousness and the other is about Assumed Contagiousness- This is relevant b.c if you ask the same questions to which diseases are related to each other, youd get in toher settings a completely different organization - Ex. There are many societies where the classification of diseases deals not with contagion but with hot and cold some diseases are considered to be hot or cold the remedy is usually the opposite (this serves as another mode of classification)- When dealing with complex arrays of things with many elements the way in which they are put together may be relatively simple o In this respect we know what people know not only in terms of what notions they have but how they package various notions together - Another way in which can organize things based on similarities is in terms of oppositions o Ex. See slides black/white, night/dark, death/life, woman/man etc- Oppositions can also be linked to each other ex. Left and right operating west and ex....
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L18F18 - Lecture 18 (18/02/11) *Missed last class How we...

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