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2211Re: [TaxoCoP] 7x3 classification

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  • Jordan Cassel
    Sep 5, 2007
    • 0 Attachment
      I always thought it was "7 plus or minus 2".  Maybe it's grown to reflect an increase in user's short term memory

      Information Architect

      ----- Original Message ----
      From: Carol Ellerbeck <cellerbeck@...>
      To: TaxoCoP@yahoogroups.com
      Sent: Wednesday, September 5, 2007 9:57:18 AM
      Subject: RE: [TaxoCoP] 7x3 classification

      Good day, all,

      I wonder if this could actually be the “7 plus-or-minus 3” rule?   I have heard web production folks refer to this rule countless times when discussing the optimum number of keywords to display for the top level of a website subject classification.  The “rule”, if such it is (I do not know the origin), implies that people can only keep about 4 -10 concepts in their memory at a time – thus, it is best to display only 7 plus-or-minus 3 top level classification terms.


      Just a thought….





      Carol A. Ellerbeck
      Taxonomist & Metadata Manager
      Knowledge & Library Services | Baker Library
      Harvard Business School | Soldier Field Road
      Boston , MA   02163 | PH: 617-495-6745

      ü Please consider the environment before printing this e-mail.

      From: TaxoCoP@yahoogroups .com [mailto: TaxoCoP@yahoogroups .com ] On Behalf Of Kathryn La Barre
      Sent: Wednesday, September 05, 2007 11:45 AM
      To: TaxoCoP@yahoogroups .com
      Subject: Re: [TaxoCoP] 7x3 classification


      This discussion has me intrigued. My googling hasn't been especially productive (but I have a few hunches) so I want a bit more information:

      Could we have a bit more context about the 7x3 classification?
      What is the subject area in which it was referenced (or the customer's general business area?).


      Kathryn La Barre, Assistant Professor

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