Skip to main content
. 2023 Jan 9;4:1020753. doi: 10.3389/fdgth.2022.1020753

Table 2.

Overview of distinct usability problems detected per method and rating of severity.

Severity CTA RTA CTA and RTA Total
1 1 – – 1
2 5 3 4 12
3 1 – 4 5
4 – – – 0
Overall 7 3 8 18