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Originally created by John Brooke (DEC) in 1986, "SUS" is one of the best known standardized . It focuses on providing lightweight (10 questions) subjective feedback from users. Because it is so well known and used, there are also a large number of reviews and evaluations of its effectiveness, strengths and weaknesses.
Saura, Jeff. (2011) Measuring Usability With The System Usability Scale (SUS). Measuring Usability.
http://www.measuringusability.com/sus.php
Simple overview of the SUS.
System Usability Scale (Wikipedia entry)Includes additional links and references.
Tullis, Tom and Albert, Bill. (2008) Measuring the User Experience. Morgan Kaufmann.
http://measuringux.com/
The book contains a wealth of information and resources on measurement for usability and UX. Web site provides downloadable resources and tools that are referenced in the book.