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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