Overall, the participants found the usability of the decision aid to be favorable.
Følstad and Hornbæk [19], in their study of cooperative usability testing, found the usability issues identified on the basis of users' design feedback during interpretation phases to have equal impact to those identified on the basis of interaction data.
One flaw that we found in the usability of our red-object-color-tracking webcam mouse arises when additional red objects other than the red tape on the finger sleeve are present in the field of view of the webcam.
Furthermore, participants found the technical usability of the tool acceptable.
None of the participants' characteristics were found to be affecting the usability of the website.
However, recent studies have shown that companies do not find the application of a sound usability engineering process according to international standards a simple task.
However, it was also found that inexperienced players rated the usability of WoW higher than they did the usability of Half-Life.
The issue is to find the best combination of cost, usability, and security for the consumer.
Companies continue to tweak the del.icio.us model of social bookmarking in an attempt to find the right mix of features and usability to appeal to a mass market crowd.
Because visual acuity, contrast-sensitivity function, and fine motor skills decrease with age, the usability of the user interface found in PDAs and the modes of data entry on these devices are not appropriate for most older adults [ 12].
