Usability engineering and usability testing are concepts that continue to evolve. Interesting research studies 
and new ideas come up every now and then. This paper tests the hypothesis of using an EDA-based 
physiological measurements as a usability testing tool by considering three measures; which are observers‟ 
opinions, self-reported data and EDA-based physiological sensor data. These data were analyzed 
comparatively and statistically. It concludes by discussing the findings that has been obtained from those