A Practical Guide To The System Usability Scale

Features & Benefits
The guide was assembled from 10 years of research and 25 years of data from over 5000 users. It contains the most comprehensive guide to using the most popular questionnaire for measuring perceptions of usability.

-How to Interpret Your SUS Score

-How to Compare your SUS Score to a Benchmark or other samples

-Converting a SUS score into a Percentile Rank and Letter Grade (A+ through F)

-Computing The Appropriate Sample Size

-Discussion on Reliability & Validity

-Acceptable Modifications to SUS

-Common Mistakes and How to Avoid Them


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