strawberry3

"An“average”score for websites using the System Usability Scale is 70 (Bangor et al., 2008). After completing two tasks on the Travelocity.com website, the average SUS score from 15 users was a 74.7 (sd = 12.9). Is this website’s usability significantly above average?"

i want to understand the basic ideology behind System Usability Scale.

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