CSE 440: Introduction to HCI - University of Washington...3g: Presentation Due Wednesday 11/29 4b:...
Transcript of CSE 440: Introduction to HCI - University of Washington...3g: Presentation Due Wednesday 11/29 4b:...
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CSE 440: Introduction to HCIUser Interface Design, Prototyping, and Evaluation
James FogartyKailey ChanDhruv JainNigini OliveiraChris SeedsJihoon Suh
Lecture 15:Designing forDiverse Needs
Tuesday / Thursday12:00 to 1:20
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Project StatusLooking Forward
3g: Presentation Due Wednesday 11/294b: Video Prototype Due Monday 12/44c: Poster Due Wednesday 12/6
Next Week Focused on Feedback
4e: Final Poster, Video, Website 12/11
Other AssignmentsReading 5 Due Saturday 12/2
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PresentationsPresentations Thursday / Friday
6 groups on Thursdayamisu, Cease, Check Yourself, MetaGrocer, MOLO, Pilltender
9:30 section on FridayBackTrack, RAPID, SALT, Hermes (from 1:30)
10:30 section on FridaySimPark, Speech Bubble, StudyBuddy, interview.io (from 12:30)
Everybody attends Thursdaywelcome in 9:30 and 10:30 sections on Fridayno 12:30 or 1:30 sections on Friday
Have thoughtful questions for other groups
Be sure you prepare and rehearseLimit 7 minutesTeam responsibility for the presentationsPPT(X) or PDF, embed fonts, happy to “check”
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Fixing up Logo and Website
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A Basic Tenet of DesignIf you do not actually understand your design problem, then you cannot make the best design
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A Basic Tenet of DesignYou are not designing for yourself
You bring a lot of background to the tableThat background is your assetBut you also need to be mindful of it
You need to understand the context of your design and the people who will use it
What this means can vary widelyAnd may be beyond what you can or will do
For example, Julie’s training for dissertation research
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A Basic Tenet of DesignYou are not designing for yourself
You bring a lot of background to the tableThat background is your assetBut you also need to be mindful of it
You need to understand the context of your design and the people who will use it
What this means can vary widelyAnd may be beyond what you can or will do
Contextual Inquiry Terminology:Entering Focus
For example, Julie’s training for dissertation research
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PinkificationThis can feel like a complicated issue
But it is not new
We will start hereThen work through more obvious problems
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Bic for Her
http://www.forbes.com/sites/davidvinjamuri/2012/08/30/bic-for-her-what-they-were-actually-thinking-as-told-by-a-man-who-worked-on-tampons/
Finally! For years I've had to rely on pencils, or at worst, a twig and some drops of my feminine blood to write down recipes (the only thing a lady should be writing ever). I had despaired of ever being able to write down said recipes in a permanent manner, though my men-folk assured me that I "shouldn't worry yer pretty little head". But, AT LAST! Bic, the great liberator, has released a womanly pen that my gentle baby hands can use without fear of unlady-like callouses and bruises. Thank you, Bic!
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Bic for Her
http://www.forbes.com/sites/davidvinjamuri/2012/08/30/bic-for-her-what-they-were-actually-thinking-as-told-by-a-man-who-worked-on-tampons/
It is very, very hard to imagine that the people who made the decision to launch “Bic for Her” were the same women expected to buy them.
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Apple HealthKit Launch
http://www.theverge.com/2014/9/25/6844021/apple-promised-an-expansive-health-app-so-why-cant-i-track
“with Health, you can monitor all of your metrics that you’re most interested in”Apple Software executive Craig Federighi
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Apple HealthKit Launch
http://www.theverge.com/2014/9/25/6844021/apple-promised-an-expansive-health-app-so-why-cant-i-track
“If you’re a human who menstruates, you’re shit out luck”
“The fact that it’s a women’s issue isn’t grounds for dismissal”
“with Health, you can monitor all of your metrics that you’re most interested in”Apple Software executive Craig Federighi
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Kodak launched this black camera in 1926It was successful, but was selling more to menEngaged Walter DorwinTeague to design a model that would appeal to womenHis solution was to release a the camera in 5 different colors, each packed in a pseudo-silk lined box, where the box and liner matched the color of the cameraKodak Vest Pocket Series III (1926)
Buxton, CHI 2014
Kodak, 1926
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Kodak launched this black camera in 1926It was successful, but was selling more to menEngaged Walter DorwinTeague to design a model that would appeal to womenHis solution was to release a the camera in 5 different colors, each packed in a pseudo-silk lined box, where the box and liner matched the color of the cameraKodak Vest Pocket Series III (1926)
Buxton, CHI 2014
Kodak, 1926 Anybody know Teague Design?
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Walter
Do
wrin
Teag
ue
Vanity
Ko
dak
(1928)
Buxton, CHI 2014
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Apple launched this white iPod in 2001
It was successful, but was selling more to men
Designed a model that would appeal to women
Their solution was a smaller version of the iPod in 5 different colors
Apple G1 iPod, October 2001
Buxton, CHI 2014
Apple, 2001
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Jonath
an Ive
Ap
ple
iPo
d M
ini (2
004)
Walter
Do
wrin
Teag
ue
Vanity
Ko
dak
(1928)
Buxton, CHI 2014
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Buxton, CHI 2014
Observations by BuxtonSame basic design brief
Same use of colorSame number and choice of colorsSame simultaneous release of colors
Teague / Kodak example is a classicKnown to any trained industrial designerJonathan Ive is an extremely well trained designerDraws inspiration from the past
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How About Less ControversialOur perception of the trustworthiness and usability of a website is dramatically shaped by a first impression of appeal
How about we examine appeal around the worldThrow in age and gender for good fun
Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
An Activity
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321
Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
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321
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Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
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Popular Rwandan Website
Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
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Large Scale Data Collection2.4 million ratings39,975 participants430 websites
Reinecke and Gajos, CHI 2014
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Visual Feature Analysis2.4 million ratings39,975 participants430 websites
39 image metrics describing website perceived colorfulnessand complexity
Age, country, gender, education
Reinecke and Gajos, CHI 2014
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visual complexity
vis
ua
l a
pp
ea
l peak appeal
Reinecke and Gajos, CHI 2014
Plotting Appeal by Complexity
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colorfulness & complexity
complexitycolorfulness
vis
ua
l a
pp
ea
l
Reinecke and Gajos, CHI 2014
Plotting Appeal by Colorfulness
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United States
colorfulness & complexity
vis
ua
l a
pp
ea
l
complexitycolorfulness
Reinecke and Gajos, CHI 2014
United States
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Germany Macedonia Hong Kong
complexitycolorfulness
United States
colorfulness & complexity
vis
ua
l a
pp
ea
l
Reinecke and Gajos, CHI 2014
Other Countries
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Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
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Reinecke and Gajos, CHI 2014
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< 20 years
> 50 years
Reinecke and Gajos, CHI 2014
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female
male
Reinecke and Gajos, CHI 2014
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Abandoning “One Best Design”People have different preferences
We can study these preferencesWe can even predict these preferences
A design that emphasizes one preference will generally disadvantage some other preference
Not always, because software is malleable
How should we think about differencesOne powerful viewpoint is social justice
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Accessibility is the LawNational Federation of the Blind vs. Target, 2006Americans with Disabilities Act, 1990
Requires accessibility in employment, public entities and public transportation, public accommodations and commercial facilities
Rehabilitation Act, 1973Section 508, 1998Mandates federal procurement of accessible electronic and information technologies
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Universal Design vs. Assistive Technology
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Personal Texting by Deaf People
Teletypewriter (TTY) used by deaf people in their homes circa 1970
1990s TTY with built-in acoustic modem
SMS texting
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People with Disabilities1 billion people worldwide
15% of the population
50 million people in US
Including yourself if you are fortunate to live to develop disabilities
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A Social Justice Problem1 billion people worldwide
15% of the population
50 million people in US
Including yourself if you are fortunate to live to develop disabilities
16% of people in the US10% of workforce5% of STEM workforce1% of PhDs in STEM
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Current State of Devices
Apple VoiceOver
Slide Rule, Kane et al, ASSETS 2008
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Current State of Devices
Apple VoiceOver
Slide Rule, Kane et al, ASSETS 2008
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Implementing Accessibility SupportEvery major platform has metadata hooks you implement to support accessibility services
e.g., image alt text, element content description
Every major platform has other guidelinese.g., H1 use, element visual contrast
If you do not implement this, you are denying access to many people
And probably breaking the relevant laws
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Equal Access to InformationIs this access equal?
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Equal Access to InformationIs this access equal?
Some dimensions to considerCostSpeedAccuracyEase
It simply being possible is not enough
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A Closer Look at Text Entry
Azenkot
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A Closer Look at Text Entry
Azenkot
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Contrast with Braille Input
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Contrast with Braille Input
r
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123 654
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Ability-Based DesignStates that all interfaces make assumptions about the abilities needed to use them
Any one-size-fits-all design is therefore inaccessible to many people
Instead of asking people to struggle to adapt, asks that interfaces adapt or be adaptable to match the abilities of each person
Wobbrock, TACCESS, 2011
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Perkinput
Azenkot et al, GI 2012
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CalibrateInitialize the model
Perkinput
Azenkot et al, GI 2012
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DetectMaximum likelihood to decide which finger input each touch.
Perkinput
Azenkot et al, GI 2012
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UpdateShift the hit distributions towards the input points.
Perkinput
Azenkot et al, GI 2012
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1
r
EncodingBraille: one column at a time.
1
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Perkinput
Azenkot et al, GI 2012
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Perkinput
Azenkot et al, GI 2012
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Perkinput
Azenkot et al, GI 2012
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Wo
rds
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inu
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1 2 3 4 5 6 7Session
Speed
VoiceOver
Perkinput
0
1 2 3 4 5 6 7Session
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0.02
0.04
0.06
0.08
0.10
0.14
Un
corr
ect
ed
Err
or
Ra
te
Accuracy
Perkinput
VoiceOver
Speed and Accuracy
Azenkot et al, GI 2012
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Another Problem
Azenkot et al, ASSETS 2012
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Another Problem
Azenkot et al, ASSETS 2012
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PassChords
Azenkot et al, ASSETS 2012
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CalibratePassChords
Azenkot et al, ASSETS 2012
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Tap 1 PassChords
Azenkot et al, ASSETS 2012
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Tap 2 PassChords
Azenkot et al, ASSETS 2012
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Tap 3 PassChords
Azenkot et al, ASSETS 2012
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Tap 4 PassChords
Azenkot et al, ASSETS 2012
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PassChords
Azenkot et al, ASSETS 2012
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PassChords
Azenkot et al, ASSETS 2012
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PassChords VoiceOver PINs
2
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10S
eco
nd
s
8
Time to Authenticate
Azenkot et al, ASSETS 2012
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PassChords VoiceOver PINs
10
20
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50Fa
ilure
Ra
te
40
Accuracy
Azenkot et al, ASSETS 2012
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What About Security?
Azenkot et al, ASSETS 2012
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What About Security?One measure is Entropy
The minimum number of bits needed to encode the set of all possible passwords
4-digit PINS: 13.3 bits
Azenkot et al, ASSETS 2012
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What About Security?A better measure is Guessing Entropy
The minimum number of bits needed to encode the number of guesses given distribution
4-digit PINS: 12.7 bits
Azenkot et al, ASSETS 2012
Not all PINS are equally likely
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Index
Middle
Ring
Pinky
0%
10%
20%
Finger Pattern Frequency
Azenkot et al, ASSETS 2012
Note the relative absence of three-finger chords
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What About Security?A better measure is Guessing Entropy
The minimum number of bits needed to encode the number of guesses given distribution
4-digit PINS: 12.7 bits4-tap PassChords: 12.6 bits
Azenkot et al, ASSETS 2012
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Speech Input
Azenkot et al, ASSETS 2013
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When of my hobbies is hiking.
I really enjoyed getting away…
The triangle consist of a 2 mile hike
to the beach, I three-mile hike along
the beach, and a 2 mile hike back.
It is a very common hike, but I knew to the northwestern if you like I need to do it.
Reviewing Errors and Edits
Azenkot et al, ASSETS 2013
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When of my hobbies is hiking.
I really enjoyed getting away…
The triangle consist of a 2 mile hike
to the beach, I three-mile hike along
the beach, and a 2 mile hike back.
It is a very common hike, but I knew to the northwestern if you like I need to do it.
Serial Access in Reviewing Transcript
Azenkot et al, ASSETS 2013
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When of my hobbies is hiking.
I really enjoyed getting away…
The triangle consist of a 2 mile hike
to the beach, I three-mile hike along
the beach, and a 2 mile hike back.
It is a very common hike, but I knew to the northwestern if you like I need to do it.
Serial Access in Reviewing Transcript
Azenkot et al, ASSETS 2013
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When of my hobbies is hiking.
I really enjoyed getting away…
The triangle consist of a 2 mile hike
to the beach, I three-mile hike along
the beach, and a 2 mile hike back.
It is a very common hike, but I knew to the northwestern if you like I need to do it.
Serial Access in Reviewing Transcript
Azenkot et al, ASSETS 2013
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When of my hobbies is hiking.
I really enjoyed getting away…
The triangle consist of a 2 mile hike
to the beach, I three-mile hike along
the beach, and a 2 mile hike back.
It is a very common hike, but I knew to the northwestern if you like I need to do it.
Serial Access in Reviewing Transcript
Azenkot et al, ASSETS 2013
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Reviews and Edits80% of composition time in review and edits
Azenkot et al, ASSETS 2013
Speechinput
Keyboard
50
100
150W
ord
s P
er
Min
ute
(W
PM
)
Naturalspeech
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Spifi
Azenkot et al, ASSETS 2013
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Spifi
Azenkot et al, ASSETS 2013
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Spifi
Azenkot et al, ASSETS 2013
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Spifi
Azenkot et al, ASSETS 2013
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Recognize Speech as N-best List
Do you need a day?
Do you need today?
Do you need it today?
Do you need to today?
Azenkot et al, ASSETS 2013
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Find Uncertain Words
Do you need a day?
Do you need today?
Do you need it today?
Do you need to today?
Do you need ** ******
Azenkot et al, ASSETS 2013
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Split Into Phrases and Align Alternatives
Do you need a day?
today?
it today?
to today?
Azenkot et al, ASSETS 2013
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“Sometimes you don’t follow along as well unless [you are] one on one.”
Accessibility is More than Text Entry
Eyes-Free Yoga, Rector et al, ASSETS 2013
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Accessibility is More than Text Entry
Eyes-Free Yoga, Rector et al, ASSETS 2013
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Accessibility is More than Text Entry
Eyes-Free Yoga, Rector et al, ASSETS 2013
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Accessibility is More than Text Entry
Ferris et al, 2010
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Accessibility is More than Text Entry
How do you find a bus stop?
Azenkot et al, CHI 2011
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Accessibility is More than Text Entry
StopInfo, Campbell et al, ASSETS 2014
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What is Disability?The old model is medical, focused on the individual with a mindset of “fixing” an impairment
Current model understands disability is imposed by society and design not accounting for diversity
“Disability is thus not just a health problem. …the interaction between features of a person’s body and features of the society in which he or she lives. Overcoming the difficulties…requires interventions to remove environmental and social barriers.”
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What is Disability?Impairment
a problem in body function or structure
Activity Limitationa difficulty encountered by a personin executing a task or action
Participation Restrictiona problem experienced by a personin involvement in life situations
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Apple HealthKit Launch
http://www.theverge.com/2014/9/25/6844021/apple-promised-an-expansive-health-app-so-why-cant-i-track
“If you’re a human who menstruates, you’re shit out luck”
“The fact that it’s a women’s issue isn’t grounds for dismissal”
“with Health, you can monitor all of your metrics that you’re most interested in”Apple Software executive Craig Federighi
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Pinkification and Menstruation
Period Diary
Other apps already exist for tracking menstrual cycles
Most employ feminine, pink, flowery aesthetics
If you only focus on the pink, you can also miss important design needsP. Tracker Lite
Epstein et al, CHI 2017
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Pinkification and Menstruation
Period Diary
P. Tracker Lite
Epstein et al, CHI 2017
“they have tried to make it ‘feminine’ by adding flowers… It makes me feel like you are trying to ‘dumb it down’ for me. Why can’t keeping track of my menstruation be a professional and organized task?”
“a lot of them just felt kind of condescending or like they were designed by dudes who were designing what they thought a woman would like.”
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Diverse Needs and Menstruation
Glow
Clue
Epstein et al, CHI 2017
Designs implicitly assumed gender or sexual orientation
Assumptions can be subtle, like in iconography or how text is phrased
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Diverse Needs and Menstruation
Glow
Clue
Epstein et al, CHI 2017
“sex options assume sex with a man, and reminder of ovulation cycle both remind me I am not a ‘normal’ woman whenever I use the app… but it’s not overly pink so I deal.”
“it’s hard to find tools that work for me! [Clue] uses gender neutral language… it’s also not focused on pregnancy, which I’m not interested in at all.”
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Diverse Needs and Menstruation
Designs often highlight ovulation information alongside the period
Such content aligns with some people’s needs for tracking while de-emphasizing or ignoring the needs of others
Epstein et al, CHI 2017
Clue
Life
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Diverse Needs and Menstruation
Epstein et al, CHI 2017
Clue
Life
“when I was younger I used to just remember. When I started trying for a baby, it became important to know my fertile times.”
“I would like it if they made a kid’s version because idc [I don’t care] about fertile!! I’m too young!!”
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Diverse Needs and Menstruation
Epstein et al, CHI 2017
Clue
Life
“my app shows predicted ovulation. I wish it didn't. We dealt with infertility and extensive treatments for 6 years. I am no longer trying to get pregnant and I don't like the reminder of TTC [trying to conceive] or the tiny glimmer of hope that maybe by magic this will be the month when a miracle happens.”
“a constant reminder of trying to conceive and not succeeding”
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Back to Bic for Her
http://www.forbes.com/sites/davidvinjamuri/2012/08/30/bic-for-her-what-they-were-actually-thinking-as-told-by-a-man-who-worked-on-tampons/
It is very, very hard to imagine that the people who made the decision to launch “Bic for Her” were the same women expected to buy them.
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Back to Bic for Her
http://www.forbes.com/sites/davidvinjamuri/2012/08/30/bic-for-her-what-they-were-actually-thinking-as-told-by-a-man-who-worked-on-tampons/
It is very, very hard to imagine that the people who made the decision to launch “Bic for Her” were the same women expected to buy them.
There are lots of ways to make an awful mistake, but some of the worst could be avoided if consumer companies were staffed by actual consumers. Entrepreneurs rarely make this kind of mistake because they tend to start businesses to solve their own problem. That’s why they rarely look as silly as Bic does right now.
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A Social Justice Problem1 billion people worldwide
15% of the population
50 million people in US
Including yourself if you are fortunate to live to develop disabilities
16% of people in the US10% of workforce5% of STEM workforce1% of PhDs in STEM
“Entrepreneurs … tend to start businesses to solve their own problem”
Diverse participation is critical in effective design
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A Basic Tenet of DesignYou are not designing for yourself
You need to understand the context of your design and the people who will use it
We need diversity in who is doing designAs a field, our work suffers because of this failing
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Grades and ExamGrades will publish in Canvas shortly
Can review exam during my office hourstoday from 2:00 to 3:30 in CSE 632,or email to arrange appointment
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CSE 440: Introduction to HCIUser Interface Design, Prototyping, and Evaluation
James FogartyKailey ChanDhruv JainNigini OliveiraChris SeedsJihoon Suh
Lecture 15:Designing forDiverse Needs
Tuesday / Thursday12:00 to 1:20