qualitative assessments (Zimmerman and Paschal 2009) that employ usability engineering
(Good et al. 1986, Nielsen 1993, Coltekin et al. 2009). Usability factors evaluated include
satisfaction, efficiency, and effectiveness (Coltekin et al. 2009) and are often measured with often measured with task completion rates/times and standardized questionnaires that measure participants’
attitudes or preferences (Chin et al. 1988, Lewis 1995, Brooke 1996, Tullis and Stetson
2004, Pearson and Pearson 2008).