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DESIGNING FORAN AGING POPULATION
Jeff JohnsonUI Wizards
@neyricardo • IxDA Redux Campo Grande
Making the Case for Age-Friendly Design
@neyricardo • IxDA Redux Campo Grande
Design for older adults, and you design for almost everyone else. [Alan Newell]
Populations with similar usability issues:● Those with low vision or other impairments● Those with low literacy● Those with little technical experience● Those with obsolete technical experience● Second language learners● Those with certain cognitive impairments
Many Adults, Not Just OAs, Have Hearing, Visual, or Motor Impairments
@neyricardo • IxDA Redux Campo Grande
Source: Summary Health Statistics for U.S. Adults: National Health Interview Survey, 2012 (Published 2014)
Older Adults Comprise Growing #s in Nations’ Populations
@neyricardo • IxDA Redux Campo Grande
Source: United Nations, Department of Economic and Social Affairs, Population Division (2015). World Population Prospects: The 2015 Revision.
Individual Variation
@neyricardo • IxDA Redux Campo Grande
● Aging is a continuous process● Change is not linear, or uniform● Effects of aging are highly idiosyncratic● As group’s average age increases:
○ Rates of change in abilities increase○ Ranges of abilities increase
Tech can be transformative...
@neyricardo • IxDA Redux Campo Grande
● Faster computers● More colours● More pixels● Sensitive sensors● Accessibility improvements
... but all is NOT WELL
@neyricardo • IxDA Redux Campo Grande
So much to remember!
I wish they would stop changing things for no good reason.
What happened to the menus?
How can I make the font bigger?
I can’t see it!
Who thought grey thin letters would be a good idea?
My limitations frustrate me but I don't know where to get help.
All the new technology is so confusing to me.
It's embarrassing to have to ask my grandkid's help
Age-Related Changes & Characteristics
@neyricardo • IxDA Redux Campo Grande
Vision
Motor Control
Speech & Hearing
Cognition: Atiention, Learning, Memory
Knowledge
@neyricardo • IxDA Redux Campo Grande
VISION
VISION CHANGES
@neyricardo • IxDA Redux Campo Grande
NORMAL PRESBYOPIA
VISION CHANGES
@neyricardo • IxDA Redux Campo Grande
LENS YELLOWING GLARE SENSITIVITY
VISION CHANGES
@neyricardo • IxDA Redux Campo Grande
NORMALReduced Light
Sensitivity
@neyricardo • IxDA Redux Campo Grande
MOTOR
MOTOR CONTROL
@neyricardo • IxDA Redux Campo Grande
Visual Search Slows with Age
@neyricardo • IxDA Redux Campo Grande
https://youtu.be/2rFl8kxB6ME
MOTOR CONTROL
@neyricardo • IxDA Redux Campo Grande
MOTOR CONTROL
@neyricardo • IxDA Redux Campo Grande
@neyricardo • IxDA Redux Campo Grande
SPEECHAND
HEARING
SPEECH & HEARING
@neyricardo • IxDA Redux Campo Grande
Speech:● Slower rate of speech● Reduced articulation
SPEECH & HEARING
@neyricardo • IxDA Redux Campo Grande
Hearing - harder to:● Filter out background sounds● Localize sounds● Understand fast speech● Hear low volume sounds● Detect high-pitched sounds
SPEECH & HEARING
@neyricardo • IxDA Redux Campo Grande
https://youtu.be/IrewnzQYrPI
@neyricardo • IxDA Redux Campo Grande
COGNITIONAttention, learning, memory
COGNITION ISSUES
@neyricardo • IxDA Redux Campo Grande
@neyricardo • IxDA Redux Campo Grande
KNOWLEGE
KNOWLEGE ISSUES
@neyricardo • IxDA Redux Campo Grande
KNOWLEGE ISSUES
@neyricardo • IxDA Redux Campo Grande
@neyricardo • IxDA Redux Campo Grande
WE KNOW HOW TO DESIGN THAT RIGHT!
@neyricardo • IxDA Redux Campo Grande
SO WHY DON'T WE?
@neyricardo • IxDA Redux Campo Grande
WHO ARE WEDESIGNING FOR?
TOP RECOMMENDATIONS
@neyricardo • IxDA Redux Campo Grande
Legibility
Visual Simplicity
Conceptual Simplicity
Consistency
Redundancy
Support
#VLWFLW@NEYRICARDO
@neyricardo • IxDA Redux Campo Grande
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