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Poster #1: A new data collection method for usability testing:
NEM (Novice Expert ratio Method)

This poster describes a new quantitative measure for usability testing. Various aspects of this method, i.e. the basic concept, the measurement procedure, an interpretative technique, some examples applied to various products, an alternative technique using model-based evaluation, a tentative procedure for setting the criterion for NEM value, and an automatic measurement program "Gap Finder" will be described and explained at the session.