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Usability testing for practical use: Monitoring the process and detecting false positives face to face and via internet

Terwort, Johannes (2016) Usability testing for practical use: Monitoring the process and detecting false positives face to face and via internet.

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Abstract:In practical use and real world settings testing usability is a question of the cost/benefit ratio and it is necessary to find the optimal method and required sample size for testing usability with the highest benefit and the lowest costs. In this case study it is tested whether it is possible to test usability also via internet and not only face to face. The process of data collection was monitored using the late control strategy while a new protocol called False-positive Identification Protocol (FIP), developed in this study, was used to identify false positives during the process. The results showed that FIP performed well for identifying false positives parallel to the data collection, improving the results of the late control strategy. However there is potential for improvement in FIP. The late control strategy performed more effective than older approaches to estimate required sample sizes like the magic number approach or the early control strategy. Furthermore it is concluded that both methods, testing face to face and via a communication tool can be of benefit to the results, but more research is needed because they perform different.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/70685
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