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      The Effects of Number-related Factors on Entry Performance

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      Proceedings of the 28th International BCS Human Computer Interaction Conference (HCI 2014) (HCI)
      BCS Human Computer Interaction Conference (HCI 2014)
      9 - 12 September 2014
      Number entry, number-related factors, entry errors, user performance
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            Abstract

            Number entry is ubiquitous in user interface (UI) design, and in many applications — such as finance, aviation, healthcare — here, mitigating errors is critical. This paper examines the effects of factors such as the type of number (e.g., integer or decimal), number length (i.e., short or long) and display position (i.e., near or far) on entry errors. Until now, these factors have not been explored together. Using a touch-based numeric keypad, we found that number length influenced the probability of committing errors, while the position of presentation did not. Number type impacted user-corrected errors but not uncorrected errors. Number length, number type and display position affected input timings. The findings provide implications for the design of both number representations (e.g., decimal point appearance) and the sociotechnical systems that surround them (e.g., training practice).

            Content

            Author and article information

            Contributors
            Conference
            September 2014
            September 2014
            : 246-251
            Affiliations
            [0001]FIT Lab, University of Swansea

            Singleton Park, Swansea, U.K.
            [0002]UCL Interaction Centre

            Gower St, London. U.K.
            Article
            10.14236/ewic/HCI2014.39
            8ef321dc-5bf0-44f5-9edf-857393c1f76d
            © Huawei Tu et al. Published by BCS Learning and Development Ltd. Proceedings of the 28th International BCS Human Computer Interaction Conference (HCI 2014), Southport, UK

            This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

            Proceedings of the 28th International BCS Human Computer Interaction Conference (HCI 2014)
            HCI
            28
            Southport, UK
            9 - 12 September 2014
            Electronic Workshops in Computing (eWiC)
            BCS Human Computer Interaction Conference (HCI 2014)
            Product
            Product Information: 1477-9358BCS Learning & Development
            Self URI (article page): https://www.scienceopen.com/hosted-document?doi=10.14236/ewic/HCI2014.39
            Self URI (journal page): https://ewic.bcs.org/
            Categories
            Electronic Workshops in Computing

            Applied computer science,Computer science,Security & Cryptology,Graphics & Multimedia design,General computer science,Human-computer-interaction
            user performance,Number entry,number-related factors,entry errors

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