accessibility, universal design,universal design, dyypnamic user experiences … · 2013. 1....

AccessibilityAccessibility, Universal Design,Universal Design,Dynamic User Experiencesy pIt’s about:• Diversity of people and situations• Designing for diversity• Designing for diversity• Increasing user experience for everyone• Human Rights

Th Mi d tThe MindsetNot WE and THEMNot WE and THEM, but we HUMANSbut we HUMANS.We are all different!There is no average

!person!Pictographic symbols used are a property of CATEDU (http://catedu.es/arasaac/) under Creative Common’s License and they have been created by Sergio Palao

W ll diff tWe are all differentWe are tall or shortH diff t hHave different reachBe right or left handedBe right- or left-handedBe strong or weakBe strong or weakTire easily or notTire easily or notHave good eyesight or not so g y g

good

W ll diff tWe are all differentHave good or bad hearingR d t diff t dRead at different speedWrite at different speedWrite at different speedThink differentlyThink differentlyRemember in different waysRemember in different ways

W ll diff tWe are all differentDifferent individualsS i di id l b tSame individual, but:

• Different stages of life• Different stages of life• Different times of the year• Different times of the year• Different times of the dayDifferent times of the day• Different situations

Different situations

Our abilities depend on theOur abilities depend on the situationOur physical, sensory, cognitive,

emotional and social abilities are not staticnot static.

Ability is not a property of anAbility is not a property of an individual, but rather a function between the individual and society.

Real use situations areReal use situations are usual non-optimalIt is easy to assume that a typical

user will have good eyesight, good hearing and no cognitivegood hearing and no cognitive impairments,

but we all suffer from various kinds of situation-induced impairments in dark noisy or stressfulin dark, noisy or stressful situations.

Design for diversity is:Design for diversity is:

• A must for 10% or the population.A i ifi t d f 40%• A significant need for 40%.

• Convenient for all• Convenient for all. Everybody gain from it.

A ibilitAccessibilityISO 9241-171:2008

“The usability of a product, service, environment y p , ,or facility by people with the widest range of capabilities.”p

ISO/IEC 25010:2011“The degree to which a product or system can be used by people with the widest range ofbe used by people with the widest range of characteristics and capabilities to achieve a specified goal in a specified context of use.“spec ed goa a spec ed co te t o use

U i l D iUniversal Design“Design of products, services and

environmentsenvironments, • Usable by as many people as y y p p

possible, • To no or little extra cost.”

Center for Universal Design,North Carolina State UnivNorth Carolina State Univ.http://design.ncsu.edu/cud/

Alt tiAlternative namesUniversal design (3 780 000 hits)D i f ll (1 440 000)Design for all (1 440 000)Inclusive design (386 000)Inclusive design (386 000)Accessible design (353 000)Accessible design (353 000)Design for dynamic diversity (1 110)Design for dynamic diversity (1 110)(Google August 2012)( g g )

With Universal Design thereWith Universal Design there is one more demand to meet• Function• Esthetics• Economy• Ecology• Ecology• EthicsEthics• Laws• Universal design principles

N id d i tiNew ideas and innovationsThink like an engineer:

Go to extremes! Is it possible toGo to extremes! Is it possible to use the product if you:

• have very limited sight, hearing or t bilitimotor capabilities

• are in a very dark noisy or shaky• are in a very dark, noisy or shaky environment

S i i l fSeven principles for Universal designUniversal design

1 E it bl U1. Equitable UseE ) A tomatic door openersEx) Automatic door openers

Photo from video made by BazzaDaRambler http://flic.kr/p/7gBD54 (CC BY 2.0)

2 Fl ibilit i U2. Flexibility in UseE ) Scissors for left and rightEx) Scissors for left- and right-

handed use

3 Si l d I t iti U3. Simple and Intuitive UseE ) Instr ctions itho t te tEx) Instructions without text

4 P tibl I f ti4. Perceptible InformationE ) Tactile floor markings andEx) Tactile floor markings and

contrasting colours

5 T l f E5. Tolerance for ErrorE ) Undo f nctionEx) Undo function

6 Low Physical Effort6. Low Physical EffortE ) Scissors ith a spring thatEx) Scissors with a spring that

opens the scissors automatically

7 Size and Space for7. Size and Space for Approach and UseppEx) Wide doors that accomodate

wheelchairswheelchairs

Seven principles forSeven principles for Universal design1. Equitable Use2 Fl ibili i U2. Flexibility in Use3. Simple and Intuitive Use3. Simple and Intuitive Use4. Perceptible Information5 T l f E5. Tolerance for Error6. Low Physical Efforty7. Size and Space for Approach and

UseUse

Arguments for Universal DesignArguments for Universal DesignHuman rightsLaws against discriminationEconomy / market:

Requirements in public procurement• Requirements in public procurement• Bigger target groupgg g g p• 10% of the world’s population live with a

di bilitdisability• More people live to advanced ageMore people live to advanced age• Company image

SummarySummary• There is a large diversity among people

and among situations.• Ability is not a property of an individual• Ability is not a property of an individual,

but rather a function between the i di id l d i tindividual and society.

• Real use situations are usual non-optimalReal use situations are usual non optimal.• Design for diversity!• Use the seven principles for universal

design!design!