Abstract

Within a website design process, usability evaluation is a key step to ensure success. Among the various evaluation methods, user testing provides information about potential performance problems, such as the effectiveness and efficiency with which users perform tasks on the web. In this context of evaluation and performance measurement, statistics is a tool that provides validity and reliability to the tests’ results, and delivers the evidence needed to make better design decisions.

Abstract

Methodology and results of a user study on several connected TV devices is presented. Heuristic evaluation, user testing and eye tracker are applied. The results point out a low usability in the tasks that require keyboard and those related to the video on demand service (VoD). These latter tasks have been analysed in depth with eye tracker technology in the device that follows the HbbTV protocol.