tion in training, a 30% reduction in supervisory time, and improved pro-
ductivity, among other things” (Dray and Karat, 1994).
“At one company, end-user training for a usability-engineered internal
system was one hour compared to a full week of training for a similar
system that had no usability work. Usability engineering allowed another
company to eliminate training and save $140,000. As a result of usability
improvements at AT&T, the company saved $2,500,000 in training
expenses” (Harrison et al., 1994, p. 215).
Statistic
“A study by Computer + Software News (1986) found that information systems
managers rated ease of training seventh (out of 10) ...