User Interfaces: Meeting the Challenge of Simplicity

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Simplicity

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Colbourne

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research led design

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research led design

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user experiences are

getting smaller

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Zune 1.0 vs Zune 2.0

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To do lis t

- Call Ken

- Write presen ta tion

- Cinema ticke ts

- Fish fingers?

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People are crying out for less

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Why is there a move to simplicity?

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Simplicity≠

Usability

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Efficiency Effectiveness Satisfaction

Measuring usability

Source: ISO 9241-11

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Efficiency Effectiveness Satisfaction

Traditional system

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Efficiency Effectiveness Satisfaction

Call centre

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Efficiency Effectiveness Satisfaction

Web site

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Efficiency Effectiveness Satisfaction

Simplicity

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Simplicity is not...

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Removing features

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Adding instructions

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Breaking it into steps

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The achievement of maximum

effect with minimum meansDr Koichi Kawana

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Simplicity in user interface design

refers to experience, not artefacts

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‘It just works’

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Experience occurs at many levels

Physical dimensions & handling

Input mechanisms

Visual / output

Correspondence between program modeland mental model

Eco-systems of software / devices

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The achievement of maximum

effect with minimum meansDr Koichi Kawana

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A process for simplicity

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A process for simplicity

(guidelines in a specific order)

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Understand context

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What is minimal?Go

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What is minimal?January 2002

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Understand context

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Understand context

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Just simple enough

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What is minimal?January 2002

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Shrink, Hide, Embody

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By removing the irrelevant

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you emphasise whatreally matters

Many hands make light work

A bird in the hand is worth two in the bush

Buy one get one freeJust do it

Today is the first day of the rest of your life

Don’t forget to put thecat out

Simply better

One, two, three, go!

To dare is to do

Some day I’ll fly away

Meeting at 13:40

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By removing the irrelevant

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you emphasise whatreally matters

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Just simple enough

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TITLE

SUBHEADING

Home | Regions | Experiences | Events | Wine & Food | Accommodation | Transport | General information

Stunning scenery  Search

Travelplanner 

Wild West Theme Park

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Drag totravel planner 

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Booking Options

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<image>

TITLE

SUBHEADING

Home | Regions | Experiences | Events | Wine & Food | Accommodation | Transport | General information

Stunning scenery  Search

Travelplanner 

Wild West Theme Park

Intro text Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Morbi commodo, ipsum sed pharetragravida, orci magna rhoncus neque, id pulvinar odio loremnon turpis.

Suspendisse id velit vitae ligula volutpat condimentum.Aliquam erat volutpat. Sed quis velit. Nulla facilisi. Nullalibero.

Nullam sit amet enim.

Vivamus pharetra posuere sapien. Nam consectetuer. Sedaliquam, nunc eget euismod ullamcorper, lectus nuncullamcorper orci, fermentum bibendum enim

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Wild WestThings to do

Region map Interactive map

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More mapsStreet map »RAA Map (PDF, 132kB) »

<image>

TITLE

SUBHEADING

Home | Regions | Experiences | Events | Wine & Food | Accommodation | Transport | General information

Stunning scenery  Search

Travelplanner 

Wild West Theme Park

Intro text Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Morbi commodo, ipsum sed pharetragravida, orci magna rhoncus neque, id pulvinar odio loremnon turpis.

Suspendisse id velit vitae ligula volutpat condimentum.Aliquam erat volutpat. Sed quis velit. Nulla facilisi. Nullalibero.

Nullam sit amet enim.

Vivamus pharetra posuere sapien. Nam consectetuer. Sedaliquam, nunc eget euismod ullamcorper, lectus nuncullamcorper orci, fermentum bibendum enim

Travellers’ tipsLorem ipsum dolor sit amet, consectetuer adipiscing elit. Morbicommodo, ipsum sed pharetra gravida, orci magna rhoncus

<image>

Wild WestThings to do

Region map Interactive map

Bigger map Show on map

<image>Royal HotelHotel

<image> Chez GerredFood & drink

<image> Marine WorldThings to do

<image>BudgetCar rental

Booking Options

email to a friend

3 Items (Delete)

View my travel planRecommendationsWhat’s this?

Unsorted (4 items)

<image>

Wild WestThings to do

1

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Organise

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19

72 6

4

83

5

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What numbers did you just see?

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1 2 3 4 5 6 7 8 9

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Don’t make them wait

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Test

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GOMS KLMCard & Moran

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A process for simplicity

Eliminate waiting

Organise

Shrink, Hide, Embody

Understand the users’ context

Test

Spend time upfront thinking

Spend timelater checking

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The road to hell is paved with good intentions

Linear step-by-step processes - taking control of what the user does next

We’ll let the user decide

What if the user wanted to...

Instructions

Long lists

Home pagesError messages

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A process for simplicity

Eliminate waiting

Organise

Shrink, Hide, Embody

Understand the users’ context

Test

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Perfection is achieved

not when there is nothing more to add

but when there is

nothing more to take awayAntoine de Saint Exupery

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No matter how cool your user interface,

less would be betterAlan Cooper

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giles.colborne@cxpartners.co.uk