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Effectiveness and usability of Scanning Wizard software: a tool for enhancing switch scanning
Heidi Horstmann Koester1, Richard C Simpson2
1a Koester Performance Research , Ann Arbor , MI , USA.
Disability and Rehabilitation. Assistive Technology
|November 25, 2017
Summary
Scanning Wizard software enhances switch scanning systems for individuals with severe physical impairments. This tool significantly improved text entry rates by an average of 71%, aiding communication accessibility.
Area of Science:
- Assistive Technology
- Rehabilitation Engineering
- Human-Computer Interaction
Background:
- Individuals with severe physical impairments often rely on switch scanning for communication.
- Optimizing switch and scanning system configuration is crucial for effective communication.
- Existing methods for system setup can be time-consuming and require expertise.
Purpose of the Study:
- To evaluate the effectiveness and usability of Scanning Wizard software.
- To determine if Scanning Wizard can improve text entry rates for switch scanning users.
- To assess the software's utility in optimizing scanning system configurations.
Main Methods:
- Ten individuals who use switch scanning and ten practitioners participated.
- Participants used Scanning Wizard to configure their scanning systems.
- Usability was assessed via surveys and qualitative feedback.
- Text entry rates were measured before and after using Scanning Wizard recommendations.
Main Results:
- Usability ratings were high, averaging over 4.5 out of 5.
- Qualitative feedback from users and practitioners was very positive.
- Five switch users completed the protocol, implementing recommended settings.
- Text entry rates improved by an average of 71% (range: 29%–172%) with revised settings.
Conclusions:
- Scanning Wizard is a highly usable tool for configuring switch scanning systems.
- The software effectively improves text entry rates for individuals using switch scanning.
- Scanning Wizard offers a valuable solution for enhancing communication accessibility for users with severe physical impairments.
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