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Hello

My PhD is concerned with investigating user interfaces
that support visual query expression of non-lexical images. I am
currently in the process of constructing a usability specification
metric for the first evaluation of the user interface. My question
is, giving that I have no previous values and have no method of
obtaining values from past or current systems, how do I resolve the
problem of setting the appropriate values? Is it acceptable to use
developers performance and the initial values determined through
pilot testing as a starting point?

Any advice would be welcome!

Thanks in advance.
Colin
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Colin C. Venters
University of Northumbria at Newcastle
Department of Information & Library Management
Lipman Building
Sandyford Road
NEWCASTLE UPON TYNE
NE1 8ST

Tel: 00 44 191-227-4917
Fax: 00 44 191-227-3671
Mobile/Voice Mail: 07803-205797
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Home Page: www.unn.ac.uk/~lcu5/home.html

"Any clod can have the facts, but having opinions is an art"
Charles McCabe, San Francisco Chronicle
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