The System Usability Scale - App (SUS-A) is intended for human factors practitioners, usability engineers, user experience researchers and designers, and other individuals needing a statistically valid and reliable usability rating for a system under review.
SUS-A is a digital version of the System Usability Scale developed by John Brooke in 1986. It replaces administration using paper and pencil by having the participant respond to the 10 scale statements on a mobile device. It eliminates the need of any post-test data collation and processing for individual score determination, and includes a mean score, updated as each participant completes the scale.
The application features:
- SUS statements for rating by participants
- data normalization and score calculation
- table of participant SUS scores
- mean SUS score for all participants in a study
This update is signed with Apple’s latest signing certificate. No new features are included.
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With Family Sharing set up, up to six family members can use this app.