Discount Usability: Time To Push Back the Clock?
http://www.userfocus.co.uk/articles/discount.html

Userfocus
2003

Abstract:

Discount usability techniques are a great way to eradicate usability problems. But they can never answer the question, 'How usable is this system?' We blow the dust off some techniques commonly used in the early days of usability testing to see if they can provide an answer.