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David Visick

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Publications by David Visick (bibliography)

1986

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Johnson, Peter, Long, John and Visick, David (1986): Voice versus Keyboard: Use of a Comparative Analysis of Learning to Identify Skill Requirements of Input Devices. In: Harrison, Michael D. and Monk, Andrew (eds.) Proceedings of the Second Conference of the British Computer Society Human Computer Interaction Specialist Group - People and Computers II August 23-26, 1986, University of York, UK. pp. 546-562.

“This paper is concerned with the evaluation of alternative forms of input device, specifically voice recognition and keyboards. Four devices were tested experimentally in a data entry task. The aim of the assessment was to provide, on the basis of a comparative analysis of learning, information concerning the skill requirements of operators, which would allow the selection of a suitable device for parcel sorting. Learning was analysed in terms of two performance indices: percentage errors and time to complete the task or task component. An analysis of learning on each device was carried out. The analysis was used to identify the skill requirements of operation, and to make recommendations concerning the application of the devices.”

1984

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Visick, David, Johnson, Peter and Long, John (1984): The Use of Simple Speech Recognisers in Industrial Applications. In: Shackel, Brian (ed.) INTERACT 84 - 1st IFIP International Conference on Human-Computer Interaction September 4-7, 1984, London, UK. pp. 209-213.

“This paper points out, and attempts to deal with, some of the problems that may be encountered when using simple speech recognition systems in industrial applications. An experiment compared a voice recogniser with a keyboard, as the destination input device in a parcel sorting task. The task was represented first by a simple laboratory simulation of the coding sub-task, and then by an authentic simulation using real parcels on a sorting rig. Results showed that voice input may be quite unsuitable for tasks having little or no manual content. Also, for tasks requiring precise sequencing of operations, voice may offer inadequate intrinsic timing feedback. Finally, a practical means of empirical vocabulary optimisation is described.”

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