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Related Experiment Videos

Measuring AT Usability with the Modified System Usability Scale (SUS).

Emma L Friesen1

  • 1Piet Heinkade 107, 1019 GM Amsterdam, The Netherlands.

Studies in Health Technology and Informatics
|September 7, 2017
PubMed
Summary

The modified System Usability Scale (SUS) effectively measures mobile shower commode (MSC) usability. This validated tool shows potential for assessing other assistive technology (AT) devices.

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Area of Science:

  • Assistive Technology
  • Human-Computer Interaction
  • Rehabilitation Engineering

Background:

  • The System Usability Scale (SUS) is a standard tool for assessing product usability.
  • Evaluating the usability of assistive technology (AT), specifically mobile shower commodes (MSCs), is crucial for user-centered design.
  • Existing AT-specific measures may not fully capture the nuances of device interaction.

Purpose of the Study:

  • To evaluate the appropriateness of the modified System Usability Scale (SUS) for assessing the usability of mobile shower commodes (MSCs).
  • To examine the correlation between the modified SUS and existing device-specific measures for MSCs.
  • To determine the potential applicability of the modified SUS to other AT devices.

Main Methods:

  • A modified version of the System Usability Scale (SUS) was employed.
Keywords:
QUESTQuebec User Evaluation of Satisfaction with TechnologySystem Usability Scale (SUS)Usabilityoutcome measurement

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  • Data were collected by correlating SUS scores with device-specific usability measures for MSCs.
  • Statistical analysis was used to assess the relationship between the different measurement scales.

    • Main Results:

    • The modified SUS demonstrated strong correlations with established device-specific measures for MSC usability.
    • The adjective-anchored rating scale associated with the modified SUS proved suitable for this user group.
    • Results indicate the modified SUS is a viable tool for evaluating MSCs.

    Conclusions:

    • The modified System Usability Scale (SUS) is appropriate and reliable for measuring the usability of mobile shower commodes (MSCs).
    • The findings suggest the modified SUS can be extended for use with a broader range of assistive technology (AT) devices.
    • This research supports the use of the modified SUS in developing and refining user-friendly AT solutions.