Older Adults’ Number Entry Using Touchscreen and Keyboard-Mouse Computers

  • Zaidatol Haslinda Abdullah SaniEmail author
  • Helen Petrie
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11870)


Touchscreen computers are a rapidly growing sector of the personal computer market and seem to be particularly suitable for older users. However, research has highlighted usability problems with the interaction techniques deployed on these devices for older users. A study was conducted with 12 older users of number entry tasks on a tablet and a PC, comparing three interaction techniques: keypad, plus/minus buttons and number selector (picker on the tablet, pull down menu on the PC). There were no differences in time to enter numbers between the devices, but buttons were fastest and number selectors slowest. Mental workload was also significantly higher with number selectors compared to either buttons or keypad. Older users had a complex pattern of preferences, but overall favoured the keypad for number entry and disliked the picker.


Interaction technique Older adults Number entry Input devices Tablet computer Desktop computer 



This study was part of the first author’s PhD research programme. We would like to thank all our participants for their time and effort to take part in the study. The first author would like to acknowledge funding support from Majlis Amanah Rakyat (MARA). A special thank you to Universiti Malaysia Sabah, the first author’s current workplace, for providing the funding to attend the 6th International Visual Informatics Conference.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Zaidatol Haslinda Abdullah Sani
    • 1
    • 2
    Email author
  • Helen Petrie
    • 2
  1. 1.Faculty of Computing and InformaticsUniversiti Malaysia SabahKota KinabaluMalaysia
  2. 2.Department of Computer ScienceUniversity of YorkYorkUK

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