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Related Concept Videos

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

652
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
652

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Using Pictures Depicting App Icons to Conduct an MSWO Preference Assessment on a Tablet Device.

Audrey N Hoffmann1, Anna M Brady2, Ryan T Paskins2,3

  • 11Department of Education, Northern Vermont University-Johnson, 337 College Hill, Johnson, VT 05656-9741 USA.

Behavior Analysis in Practice
|January 25, 2020
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Summary

This study found that using picture cards to assess preferences for tablet applications (apps) can identify preferred content for adults with disabilities. The most preferred apps successfully served as reinforcers for vocational tasks.

Keywords:
MSWOPreference assessmentTablet device

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Area of Science:

  • Assistive Technology
  • Behavior Analysis
  • Human-Computer Interaction

Background:

  • Tablet devices are increasingly used in educational and vocational settings.
  • Identifying preferred content is crucial for engagement and effective use of technology by individuals with disabilities.
  • Traditional preference assessments may need adaptation for digital interfaces.

Purpose of the Study:

  • To evaluate the effectiveness of using picture cards for preference assessment of tablet (iPad) content for adults with disabilities.
  • To determine if identified preferred apps function as reinforcers for vocational tasks.

Main Methods:

  • Employed a multiple-stimulus without replacement (MSWO) preference assessment using laminated picture cards of application icons.
  • Included six adults with disabilities as participants.
  • Conducted reinforcer assessments to validate preference findings.

Main Results:

  • Preference hierarchies for iPad content were successfully established for all participants.
  • The most preferred application served as a functional reinforcer for a vocational task in five out of six participants.
  • Demonstrated the validity of the picture card MSWO method for digital content.

Conclusions:

  • Picture card-based MSWO preference assessments are effective for identifying preferred iPad content among adults with disabilities.
  • This method can inform the selection of motivating digital stimuli for vocational and other activities.
  • Findings support the use of adapted preference assessment strategies for technology-based interventions.