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Table 6 The mean score of application’ usability from the experts’ point of view based on NAU questionnaire

From: Prevention and control of urinary tract stones using a smartphone-based self-care application: design and evaluation

No

Classification of evaluation dimensions

Mean score (from 7)

Standard deviation

1

Learning ability

5.66

0.72

2

Efficacy

6.33

0.81

3

Memorability

6.25

0.73

4

Ability to display errors and accuracy rate

5.66

0.99

5

Subjective satisfaction

6.61

0.63

 

Total

6.10

0.78