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. 2019 Nov 2;19(21):4764. doi: 10.3390/s19214764

Table 4.

Average scores for PSSUQ categories and technological skill levels.

Skill/
PSSUQ Category
System Usefulness
Items 1–8
Information Quality
Items 9–15
Interface Quality
Items 16–18
Overall Score
Item 1–18
None 4.7 4.9 5.4 4.9
Basic 5.4 5.3 5.8 5.4
Intermediate 6.1 6.6 6.7 6.5
Advanced 6.4 6.7 6.7 6.6
Total Average 5.4 5.6 5.9 5.5