Play By Ear Adaptive Ear Clips A Case Study
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Play By Ear
Mandate
Design an assistive technology for use by people with sensory and/or motor disabilities.
Co-Creator
M.D. • 46-years old • Female • Needle artist • Bibliophile • Strong sense of self • Psoriatic arthritis & Ménière’s disease ◊ skin & tactile sensitivity ◊ stiff shoulders ◊ fused wrists and fingers
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ws
Primary Research m
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Cu lt
robe al P ur
Interv ie
Play By Ear
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P iv e Role
Play By Ear
Looking Glass Self
We see ourselves through the eyes of other people.
Fashion = How we express who we are and who we want to be
Beayue Louie
Play By Ear
The Problem
Putting on an earring the conventional way.
Peripheral Vision
&
Across Body & Over Shoulder
Two-Handed
Twisted Torso
Small Contact Surface
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Play By Ear
The Solution
Putting on an earring with a Play By Ear clip.
Magnetic or spring-mounted back to hold the clip closed (neutral state)
Accommodates multiple earring types Lever allows for easy removal
Beayue Louie
Play By Ear
The Solution
Putting on an earring with a Play By Ear clip. 1. Thread an earring onto the ear clip.
Central Vision
Hand-Level
2. Put the ear clip on the earlobe.
One-Handed
Neutral Torso
Large Contact Surface
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Play By Ear
Prototype Iterations
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Play By Ear
Body Mobility Study
Beayue Louie
Play By Ear
User Trial 1. Hook
Objective To determine whether an individual with arthritis can use an ear clip attachment to wear an earring without assistance.
2. Pinch Grip
The Scenario 1. Free learning and description session 2. Defined tasks session a. thread an earring onto the ear clip b. put the ear clip on the earlobe c. remove the ear clip 3. Questionnaire and debrief interview
3. Cup
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Play By Ear
User Trial The Measures 1. Performance Measure • aggregate time it took • number of errors made • type of errors made • number of attempts made 2. Subjective Measure • easy of use • comfort • visually attractiveness • satisfaction • handling • size • discretion • adapability
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Abandoned Task
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Abandoned Task
Abandoned Task
Abandoned Task
Play By Ear
Findings
Play By Ear
Findings 1. Hook
2. Pinch Grip
3. Cup
Beayue Louie
Play By Ear
Findings 1. Hook
2. Pinch Grip
3. Cup
Beayue Louie
Play By Ear
Findings Does the Method Used to Put on the Ear Clip Affect SDoes uccess? Does the Method Used to Put the Method Used to Put Hook P rototype on the Ear Clip Affect Success? on the Ear Clip Affect Success?
70.0 Time (seconds)
4 Number of Attempts Made
80.0
5
60.0 50.0 40.0 30.0
4 3
2
1
20.0
2
1
10.0
0 Two-‐Handed
0.0 Two-‐Handed
One-‐Handed
Method Used
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3
Abandoned Task
90.0
Hook Prototype
Number of Attempts Made
100.0
Abandoned Task
Hook Prototype 5
One-‐Handed 0 Method Used Two-‐Handed
One-‐Handed
Method Used
Play By Ear
Next Stage Prototyping Recommendations 1. Retain back-loading, magnetic 1. hook-style form.
2. Raise magnet placement.
3. Increase concave groove.
4. Consider a detachable handle.
5. Use refined or precious metals.
Beayue Louie
Play By Ear
Goal
Beayue Louie
Play By Ear Adaptive Ear Clips A Case Study
Special thanks to: Anne-Kristina Arnold Louise St. Pierre M.D. Emily Carr University of Art and Design Mary Pack Arthritis Centre GF Strong Rehabilitation Centre
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