As part of an investigation resulting in design guidelines for home appliances subjects were observed using a new TV/VCR combination. The way they approached the device, how they learned to use it and the guidelines relevant for optimal usability, during novice use, are discussed.
Get full access to this article
View all access options for this article.
References
1.
DumasJ.S.RedishJ.C., A practical guide to usability testing, American Institutes for research, Ablex Publishing Corporation, Norwood, New Jersey, 1993.
2.
FreudenthalA., The design of home appliances for young and old consumers, Delft University Press, Delft, The Netherlands, PhD thesis, 1999.
3.
FreudenthalT.D., Learning to use interactive devices; Age differences in the reasoning process, Eindhoven University of Technology, Eindhoven, The Netherlands, PhD thesis, 1998.
4.
NielsenJ., Estimating the number of subjects needed for a thinking aloud test, Int. J. Human-Computer Studies, 1994, 41, 385–397.
5.
NormanD.A., Some observations on mental models, Chapter 1, In GentnerD.StevensA. (Eds.), Mental Models, Lawrence Erlbaum Associates Publishers, London, 1983.
6.
RasmussenJ., Reasons, causes and human error, Chapter 26, In: RasmussenJ.DuncanK.LepatJ. (Eds), New technology and human error, John Wiley & Sons, Chichester, 293–301, 1987.
7.
VirziR., Refining the test phase of usability evaluation: How many subjects is enough?, Human Factors, 1992, 34 (4), 457–468.