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TandemSeven Blog
TandemSeven Blog
Ease of Use Makes Money and Saves Money
Need to convince management that your usability design and evaluation work has a great return on investment?
Consider sharing these helpful statistics.
- Estimated savings when software problem found and fixed in early design phase rather than after delivery: 100 times (Boehm, 1987)
- Estimated amount of software code saved by prototyping compared to not prototyping: 40% (Boehm et al., 1984)
- Rank of user involvement as predictor of successful projects: 1 (The Standish Group, 1994)
- Estimated increase in conversion rate after improving customer experience: 40% (Creative Good, 2000)
- Estimated increase in order size after improving customer experience: 10% (Creative Good, 2000)
- IBM.com sales increased 400% (Tedeschi, 1999)
- Liz Claiborne's Elisabeth.com tripled rate at which lookers became buyers (Tedeschi, 2002)
- Dell.com online purchases increased from $1 million per day in September, 1998, to $34 million per day in March, 2000 (Black, 2002)
- Digital Equipment Corporation found 80% increase in revenue (Wixon & Jones, 1992)
- Black, J. (2002, December 4). Usability is next to profitability. BusinessWeek Online [On-line].
- Boehm, B. (1987). Industrial software metrics top 10 list. IEEE Software, 4(5), 84-85.
- Boehm, B. W., Gray, T. E., & Seewaldt, T. (1984). Prototyping vs. specifying: A multi-project experiment. IEEE Transactions on Software Engineering, 10(3), 290-333.
- Creative Good (2000, June 12). The dotcom survival guide. Creative Good [On-line].
- The Standish Group (1994). The CHAOS report. [On-line].
- Tedeschi, B. (1999, August 30). Good Web site design can lead to healthy sales. New York Times e-commerce report. [On-line].
- Tedeschi, B. (2002, November 18). E-Commerce Report; E-tailers are putting multimedia tinsel back on their shopping sites this holiday season. New York Times e-commerce report [On-line].
- Wixon, D., & Jones, S. (1992). Usability for fun and profit: A case study of the design of DEC RALLY version 2. Internal report, Digital Equipment Corporation. Cited in Karat, C., A business case approach to usability cost justification. In Bias, R. G., & Mayhew, D. J. (1994). Cost-justifying usability. San Diego: Academic Press.
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