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How many participants are needed when usability testing physical products? : An analysis of data collected from usability tests conducted on physical products

Testing a product on users before releasing it on the market can be very rewarding but also costly for companies. Therefore testing products on just the right number of users, that will be enough to include the benefits of the tests while keeping down the costs, would be most beneficial. A common advice means that five participants are enough to include in such tests. This advice is based on research mainly from testing computer-based interfaces on users. Though, how well this advice can be applied when testing physical products on users is less investigated. This thesis has investigated how many participants that are needed when testing physical products on users. A literature study and an analysis of data collected from physical products tested on users were conducted. The results show that using five participants when testing physical products on users cannot be counted on to be enough. The results also show that the number of participants to use, when testing physical products on users, vary.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:umu-147504
Date January 2018
CreatorsHenstam, Pontus
PublisherUmeå universitet, Institutionen för tillämpad fysik och elektronik
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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