Before revision: SUS has generally been seen as providing this type of high-level subjective view of usability and is thus often used in carrying out comparisons of usability between systems.
After revision: The formula for computing the final SUS score requires converting the raw scores, by subtracting 1 from each raw score, then utilizing the following equation:SUS has generally been seen as providing this type of high-level subjective view of usability and is thus often used in carrying out comparisons of usability between systems.