Additional Resources Listed below are some additional resources on usability and return on investment. John S. Rhodes wrote a column for Webboard. Randolph G. Bias ed. Again the paragraph can be changed to fit specific items like a web page or similar. Making a survey shorter can certainly be a good thing however shortening the SUS score created the problem that the negative and positive answers was given the same score the seven-point scale should make up for this, unfortunately, it did not.
The Politics of Usability : A Practical Guide to Designing Usable Systems in Industry
The survey was further shortened to two questions:. Further research has shown that the light UMUX can have a five instead of a seven likeable scale making it easier to compare with the SUS score.
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The lighter score can be used in the same way as the SUS. The fewer questions make it excellent for benchmarking one page wireframes after click and 5 seconds tests. The score can be presented as a mean for each score or an average of both. As percentile ranks for each item. Making it very easy to compare the different studies.
For instance it has been suggested if the wording can be changed like the SUS score without compromising on the validation.
To calculate the SUS score, first sum the score contributions from each question. Each question score contribution will range from 0 to 4. For items 1,3,5,7,and 9 the score contribution is the scale position minus 1. For items 2,4,6,8 and 10, the contribution is 5 minus the scale position. Multiply the sum of the scores by 2. Sign in. Get started.
UX Collective. A practical guide to SUS. Introduction: measuring usability.
Thomas Toft Knudsen Follow. How to use the SUS The scale can be used to detect possible usability problems a low score indicate people had trouble with the system and more usability issues need to be uncovered. UX Collective We believe designers are thinkers as much as they are makers. Freelance UX Researcher. Design thinking. Field observation.
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Focus group. Font readability. Google analytics. Google website optimizer. Guidelines-based review. Heuristic evaluation. Information architecture. Interaction design, user experience and usability.
Landing page optimization. Research-based web design and usability guidelines.
User Experience Articles & Resources
Scenario of use. Scenario-based usability engineering. Semantic differential scale.
Sketching user experience. Task analysis. Universal Design for Instruction.
Usability and user experience surveys. Usability testing.
Related The Politics of Usability: A Practical Guide to Designing Usable Systems in Industry
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