Table 8 Responses to the HARUS questionnaire for keypad-based and marker-based AR systems
From: Evaluating system usability of mobile augmented reality application for teaching Karnaugh-Maps
Parameters | Questions | Keypad-based MAR | Multiple marker-based MAR | |
|---|---|---|---|---|
Manipulability | Q1 | “I think that interacting with this application requires a lot of mental effort.” (R) | 4.26 | 3.42 |
Q2 | “I thought the amount of information displayed on the screen was appropriate.” | 4.42 | 3.63 | |
Q3 | “I thought that the information displayed on the screen was difficult to read.” (R) | 4.05 | 3.57 | |
Q4 | “I felt that the information display was responding fast enough.” | 4.00 | 2.94 | |
Q5 | “I thought that the information displayed on the screen was confusing.” (R) | 4.63 | 4.15 | |
Q6 | “I thought the words and symbols on screen were easy to read.” | 4.10 | 3.52 | |
Q7 | “I felt that the display was flickering too much.” (R) | 4.26 | 3.63 | |
Q8 | “I found the system very cumbersome to use.” | 2.89 | 3.94 | |
Comprehensibility | Q9 | “I think that interacting with this application requires a lot of body muscle effort.” (R) | 4.57 | 4.10 |
Q10 | “I felt that using the application was comfortable for my arms and hands.” | 4.05 | 3.94 | |
Q11 | “I found the device difficult to hold while operating the application.” (R) | 4.00 | 3.37 | |
Q12 | “I found it easy to input information through the application.” | 4.31 | 3.31 | |
Q13 | “I felt that my arm or hand became tired after using the application.” (R) | 4.26 | 3.84 | |
Q14 | “I think the application is easy to control.” | 4.05 | 3.78 | |
Q15 | “I felt that I was losing grip and dropping the device at some point.” (R) | 4.63 | 4.47 | |
Q16 | “I think the operation of this application is simple and uncomplicated.” | 4.21 | 3.89 |