RE: Validation methodologies

Very clever! How did you come up with that?
Peter

~~~~~~~~~~~~~~~~~~~~~~~
Blog: http://poorbuthappy.com/ease 

>  -----Original Message-----
>  From: Margaret Hanley [mailto:[email protected]] 
>  Sent: Sunday, March 02, 2003 11:55 AM
>  To: [email protected]
>  Subject: RE: [facetedclassification] Validation methodologies
>  
>  
>  All,
>  It worked in the same way that you would normally play 20 
>  questions as kids.
>  
>  The user tries to guess what the item is, by asking about 
>  aspects or facets of the object.  The faciliator can only 
>  answer yes or no. Once the user gets to 20 questions they 
>  must guess what it is. If the user knows the answer before 
>  the 20 questions are up they can guess.
>  
>  It's not important that the user guesses correctly or 
>  incorrectly, the most important information to extract are 
>  the facets.
>  
>  For the microscopy example, lots of people started asking
>  if it was animal, mineral or vegetable (they got into the
>  swing very quickly) and also wanted to know if it was
>  cellular or non-cellular. For web sites, the first question
>  was nearly always if it was a e-commerce site and what it
>  was about.
>  
>  So for the microscopy example the some of the facets we
>  came up with were:
>  * Species
>  * Type of electron microscope
>  * The magnification of the microscope
>  * The biological process being demonstrated
>  * Part of the organism or cell being shown
>  * The method for taking the image
>  
>  It is really fun to do. The only thing that struck us as we 
>  were doing the facilitation that you really needed to know 
>  your subject matter. My co-facilitator last studied biology 
>  in secondary school and my science degree was over 10 years 
>  ago. It made us realise how much we DIDN'T know. :)
>  
>  
>  Mags
>   --- PeterV <[email protected]> wrote: > 
>  > >  I have previously used "20 questions" as a way to
>  > generate
>  > >  facets from a domain. In particular to understand what
>  > 
>  > >  elements of a picture (in the case of microscopy
>  > images) or
>  > >  web sites (in the case of a web directory) are the
>  > users
>  > >  interested in seeing, searching or browsing by to find
>  > that object.
>  > 
>  > Hi Mags,
>  > How does that method work? I would love to hear
>  > details...
>  > Peter
>  > 
>  > 
>  > 
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