Open AccessJournal Article
Usability testing of mobile applications: a comparison between laboratory and field testing
TLDR
Results indicate that conducting a time-consuming field test may not be worthwhile when searching user interface flaws to improve user interaction, and it is possible that field testing is worthwhile when combining usability tests with a field pilot or contextual study where user behavior is investigated in a natural context.Abstract:
Usability testing a mobile application in the laboratory seems to be sufficient when studying user interface and navigation issues.
The usability of a consumer application was tested in two environments: in a laboratory and in a field with a total of 40 test users. The same problems were found in both environments, differences occurred in the frequency of findings between the contexts.
Results indicate that conducting a time-consuming field test may not be worthwhile when searching user interface flaws to improve user interaction. In spite of this, it is possible that field testing is worthwhile when combining usability tests with a field pilot or contextual study where user behavior is investigated in a natural context.read more
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Book
Encyclopedia of Human Computer Interaction
TL;DR: The "Encyclopedia of Human Computer Interaction" is the most thorough and definitive source providing coverage of everything related to the field of human computer interaction (HCI).
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Mobile application usability: conceptualization and instrument development
TL;DR: This paper presented a mobile application usability conceptualization and survey instrument following the 10- step procedure recommended by MacKenzie et al. (2011), and found that the constructs that represented the conceptualization were good predictors of both outcomes and compared favorably to an existing instrument based on Microsoft's usability guidelines.
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A Meta-Analytical Review of Empirical Mobile Usability Studies
TL;DR: An adapted usability evaluation framework is presented to the context of a mobile computing environment and a qualitative meta-analytical review of more than 100 empirical mobile usability studies is conducted, finding that open and unstructured tasks are underutilized.
Proceedings ArticleDOI
It's worth the hassle!: the added value of evaluating the usability of mobile systems in the field
Christian Monrad Nielsen,Michael Toft Overgaard,Michael Bach Pedersen,Jan Stage,Sigge Stenild +4 more
TL;DR: The conclusion is that it is definitely worth the hassle to conduct usability evaluations in the field, and this setting revealed problems with interaction style and cognitive load that were not identified in the laboratory.
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A critical evaluation of location based services and their potential
TL;DR: This Editorial lead article for the Journal of Location Based Services surveys this complex and multi-disciplinary field and identifies the key research issues and synthesises the key issues for this new field.
References
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Journal ArticleDOI
Protocol Analysis: Verbal Reports as Data.
TL;DR: This article reviewed major advances in verbal reports over the past decade, including new evidence on how giving verbal reports affects subjects' cognitive processes, and on the validity and completeness of such reports.
Book
Protocol Analysis: Verbal Reports as Data
TL;DR: In this article, the authors reviewed major advances in verbal reports over the past decade, including new evidence on how giving verbal reports affects subjects' cognitive processes, and on the validity and completeness of such reports.
Proceedings ArticleDOI
A mathematical model of the finding of usability problems
Jakob Nielsen,Thomas K. Landauer +1 more
TL;DR: It is found that the detection of usability problems as a function of number of users tested or heuristic evaluators employed is well modeled as a Poisson process, which can be used to plan the amount of evaluation required to achieve desired levels of thoroughness or benefits.
Book
A Practical Guide to Usability Testing
TL;DR: A Practical Guide to Usability Testing discusses the full range of testing options from quick studies with a few subjects to more formal tests with carefully designed controls and includes forms that you can use or modify to conduct a usability test and layouts of existing labs that will help you build your own.