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  • What’s SUS got to do with it?

    The system usability scale (SUS) is an easy and valid measure of how users perceive the usability of a website or digital device. The SUS was developed by John Brooke at Digital Equipment Corporation in 1986, the same year that Halley’s Comet was clearly...

  • The advantages and disadvantages of using Net Promoter Score (NPS) in your research

    At UsabilityOne we have become aware of the increasing interest in using the Net Promoter Score (NPS)® in user research projects, as a way of measuring the likelihood that customers will freely promote their product or service through word of mouth.  The NPS was designed...

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