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On Monday 08 November 2004 03:43, George Shapovalov wrote: |
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> I was first going to leave the thread at that, but I am feeling a bit |
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> graphomanic :). In any case I just wanted to say a few words describing |
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> "scientific" basis for multi-tier and hierarchies in general. |
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> |
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> On Sunday 07 November 2004 15:47, Aron Griffis wrote: |
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> > George Shapovalov wrote: [Sun Nov 07 2004, 05:12:02PM EST] |
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> > I don't see how multi-tier categories makes things more findable |
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> > personally. IMHO it just makes things more buried. I like the |
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> > two-tier approach we have now: |
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> |
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> Some recent philosophical, err :), psychological studies concluded that |
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> person normally deals best with 7-9 objects simultaneously. Less than that |
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> and you have to make your "chain of command" unnecessarily deep. More than |
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> that and you start spending more time searching around or trying to |
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> remember what every one of these these is about. (Don't remember where I |
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> saw it now; my wife is a psychologist, that's most likely where :)). |
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It's not really new ;-), and is one of the basic properties of cognition (so |
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basic it's part of any good Human Computer Interaction course). It is |
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actually similar with numbers. Without tricks an average person can not |
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remember more than 7 digits (without using tricks to remember things with a |
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hint). Some people can remember 9 digits, some even only 5 (it is related to |
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inteligence, but only one of the factors. This is only for SHORT term memory, |
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and for example also explains why a) long sentences confuse the hell out of |
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people, and b) scientists tend to use long sentences (they normally have a |
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good short term memory). |
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|
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Paul |
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|
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-- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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