Every study has identified significant design problems
that lose customers
Every time a second round of tests have been done, the
results have been significantly greater
One site redesign resulted in the doubling of sales
leads for a software company
Far less support calls
Greater understanding of your customers and how
to keep them
For technology supporting employee work
Estimated benefits from one example of usability
testing an internal technology project:
Benefit Category
Value/Year
No. of Years Realized
Total
Increased Productivity
$23,958
5
$119,791.67
Decreased Training
$25,000
1
$25,000.00
Decreased Errors
$9,583
5
$47,916.67
Decreased Late Design Changes
$16,800
1
$16,800.00
Total
$209,508.33
From "A Basic
Framework for Cost-Justifying Usability Engineering," Mayhew, Deborah
J, and Mantei, Marilyn, 1994 Published in the book Cost-Justifying Usability,
edited by Bias, Randolph G., and Mayhew, Deborah J.
"The benefits of usable
technology include reduced training costs, limited user risk, and enhanced
performance... American industry and government will become even more
productive if they take advantage of usability engineering techniques."
Vice President Al Gore, Common Ground, 1998
Also see the PowerPoint presentation, Return
on Investment for User-Centered Design. Audience: User-Centered Design
professionals, but also anyone concerned about the real value of technology
projects.