I'm Almost Out of Time, Money and Energy, But I Have to Do Usability Testing. Help!
http://www.stc.org/confproceed/1994/PDFs/PG233.PDF

Grice, Roger A.
STC Proceedings
1994

Abstract:

We know that testing for usability is an important part of developing and producing usable information. But very often, when push comes to shove, the time that we have allocated in our schedules for usability testing gets used for other, more pressing, activities, and the money we have set aside for testing seems to disappear.