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Table 7 Response of SUS questionnaire for keypad-based and marker-based AR system

From: Evaluating system usability of mobile augmented reality application for teaching Karnaugh-Maps

S. no Question Keypad-based MAR Multiple marker-based MAR
Q1 “I think that I would like to use this system frequently.” 3.43 2.00
Q2 “I found the system unnecessarily complex.” 3.34 2.94
Q3 “I thought the system was easy to use.” 3.40 2.16
Q4 “I think that I need the support of a technical person to be able to use the system.” 3.83 2.24
Q5 “I found the various functions in this system were well integrated.” 3.36 2.00
Q6 “I thought there was too much inconsistency in the system.” 3.30 2.94
Q7 “I would imagine that most people would learn to use this system very quickly.” 3.30 1.93
Q8 “I found the system very cumbersome to use.” 3.40 2.57
Q9 “I felt very confident using the system.” 3.43 1.86
Q10 “I needed to learn a lot of things before I could get going with this system.” 3.04 1.97
Total SUS score 33.83 * 2.5 22.61 * 2.5
84.57 56.52