Claims Reuse for Notification Systems Design: LINK-UP Vision and IRC Equations
Chewar, Christa M.
McCrickard, D. Scott
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Extending previous work on the concept of claims reuse, an approach for cataloging and reusing design knowledge in human-computer interaction, we introduce a vision for a system, LINK-UP. The system is intended to parallel a usability engineering process that involves claims analysis. While we initially target notification system design support, we believe that the general method is extensible to other design concerns. A key aspect of the LINK-UP system is its iterative assessment of critical parameters---essential target values that describe anticipated user goals. In notification systems design, three critical parameters are interruption, reaction, and comprehension, referred to as IRC. While the parameter values represent abstract concepts, a pivotal challenge in the development of LINK-UP is determining methods for consistent and accurate parameter specification. To this end, we introduce equations for calculating user's model IRC parameters, either from analytical or empirical data. Presented here are details of variable justification and equation behavior. Future work will assess consistency and accuracy of artifact classifications using the equations.