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Model-based Evaluation of Simulated Touch Screen Cell Phone Interface

Journal of Applied Information Science

Volume 2 Issue 2

Published: 2014
Author(s) Name: Pantha Kanti Nath | Author(s) Affiliation: Department of Computer Science and Engineering, National Institute of Tech, Silchar, Assam, India
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Abstract

This research compares two models for predicting the speed of users traversing through alternative menu hierarchies on a touch screen based cell phone simulated interface. Actual performance data from real users was compared with predictions of two alternative models - Fitts and GOMS – and the GOMS model is shown more closely match the user data. The potential value of validated models is that, they can make it faster to compare alternative designs than with usability testing with end users. This validated models can become an efficient way for the UX designer and evaluator to predict ease of use. The efficacy of model based evaluation is demonstrated through results of user studies.

Keywords: Cell Phones, Touch Screen, Menu Traversal, Cognitive Modeling, Model-Based Evaluation

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