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Table 1 Post-study app usability questionnaire results

From: ShareDNA: a smartphone app to facilitate family communication of genetic results

Questions

Minimum

Q1

Mean

Median

Q3

Maximum

Standard Deviation

Overall, I am satisfied with how easy it is to use this app

2

3

3.62

4

4

5

0.96

It was simple to use this app

2

3

3.77

4

4

5

0.83

I could effectively complete the tasks and scenarios quickly using this app

2

3

3.92

4

5

5

1.12

I was able to complete the tasks and scenarios quickly using this app

2

2.75

3.5

4

4

5

1.09

I was able to efficiently complete the tasks and scenarios using this app

2

3

3.77

4

4

5

0.83

I felt comfortable using this app

3

3

4.08

4

5

5

0.9

It was easy to learn to use this app

2

4

4

4

5

5

0.91

I believe I could become productive quickly using this app

3

4

4.31

4

5

5

0.63

The app gave error messages that clearly told me how to fix problems

1

2

2.64

2

3

5

1.12

Whenever I made a mistake using the app, I could recover easily and quickly

2

2

3.08

3

4

5

1

The information provided with this app was clear

2

2.75

3

3

3.25

4

0.74

It was easy to find the information I needed

2

3

3.45

4

4

4

0.69

The information provided for the app was easy to understand

2

4

3.83

4

4

5

0.72

The information was effective in helping me complete the tasks and scenarios

3

4

3.92

4

4

5

0.64

The organization of information on the app screens was clear

2

3

3.54

3

4

5

1.05

The interface of this app was pleasant

3

4

3.85

4

4

5

0.55

I liked using the interface of this app

2

3

3.67

4

4

5

0.89

The app has all the functions and capabilities I expect it to have

2

3

3.75

4

5

5

1.14

Overall I am satisfied with this app

2

3

3.77

4

4

5

0.93

  1. Table shows the responses from our cohort of 13 to the PSSUQ. The scale is out of five, with one indicating “strongly disagree” and five indicating “strongly agree”. PSSUQ = Post-Study System Usability Questionnaire