Using a Single Usability Metric (SUM) to Compare the Usability of Competing Products
نویسندگان
چکیده
This paper provides additional data and examples to substantiate a method to simplify all the ANSI and ISO aspects of usability into a single, standardized and summated usability metric (SUM). Using data from three additional data sets and in the context of a competitive usability test, differences between SUM scores are compared to conventional raw usability metrics. We demonstrate how SUM can be an effective way to summarize the usability of a product or tasks to business leaders and how it provides a better way for making decisions about usability.
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