The de facto industry standard evaluation questionnaire for
assessing quality of use of software by end users.
Please note that this page, sumi.uxp.ie is now the official home page for the online SUMI questionnaire.
For an example of the current version of SUMI, please see sumi.uxp.ie/en.
For an example of the standard report you get with SUMI, please see an example anonymous report.