Cognitive load and usability analysis of R-MAP for the people who are blind or visual impaired

Authors:
Gahangir Hossain;Akbar S. Shaik;Mohammed Yeasin
Affiliations:
The University of Memphis, Memphis, TN, USA;The University of Memphis, Memphis, TN, USA;The University of Memphis, Memphis, TN, USA
Venue:
Proceedings of the 29th ACM international conference on Design of communication
Year:
2011

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Abstract

The ultimate goal of this work is to understand the confluence of cognitive load and usability studies in evaluating the performance of fully integrated assistive technology solutions. The platform used for this study is called, Reconfigured Mobile Android Phone (R-MAP). The focus of this study is to measure the cognitive load and perform usability analysis and use them as a guide to refine the design and improve the usability of the R-MAP. A "secondary task performance" based procedure for measuring the cognitive load was used to study the R-MAP. The score of the secondary task performance was found to have strong relationship with the cognitive load, usability of the R-MAP and also the differences in performances among various categories of users.