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Usability Engineering in Dollars and Cents
May/June 1993 (vol. 10 no. 3)
pp. 88-89

A cost-benefit analysis of usability engineering's contribution in two projects, obtaining both preproject estimates and postproject feedback, is presented. The first project involved replacing a business system and adding a new function. Usability engineering was completed within the seven-month development schedule. It included three iterations of usability tests that were a mixture of field and laboratory tests of both rough prototypes and the new application running on a test system. The second project involved replacing a semiautomatic process with a fully automated system. Usability activities include task analysis, screen design, baseline testing, usability prototype testing, results reporting, and recommendations for redesign and were completed in 21 months.

Index Terms:
usability engineering; software prototypes; cost-benefit analysis; usability tests; task analysis; screen design; baseline testing; prototype testing; project management; software cost estimation; software engineering
"Usability Engineering in Dollars and Cents," IEEE Software, vol. 10, no. 3, pp. 88-89, May-June 1993, doi:10.1109/MS.1993.10028
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