designing for the customer and the bottom line: costs and benefits of user-centred design gitte...
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![Page 1: Designing for the customer and the bottom line: Costs and benefits of user-centred design Gitte Lindgaard Carleton University Ottawa, Canada](https://reader036.vdocuments.net/reader036/viewer/2022062714/56649d255503460f949fbbc3/html5/thumbnails/1.jpg)
Designing for the customer and the bottom line: Costs and
benefits of user-centred design
Gitte Lindgaard
Carleton University
Ottawa, Canada
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• To convey your …. message you must know what that message is and how to convey it
(Chapanis, 1988)
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Traditional UCD focus
• User experience– Who are the application users?– What tasks will the application support?– What other tools do users employ?– What is the environment like?
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UCD cost-benefit analysis
• 10 years ago• Estimated costs of applying usability methods (time
to set up, run tests, analyse data, write up)
• Estimated benefits of finding x number of usability problems
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UCD cost-benefit analysis now
• What are you selling?
• Who are you selling to?
• Can you substantiate your claims?• Hypothetical numbers are low in credibility
• Case studies may not look like they are similar to the current situation
• Is the time right?
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Who is our immediate client?
• Marketing: promote snazzy features• But don’t give them ideas that IT can’t deliver
• IT: technical wizardry and miracles• But must be linked to the business case
• Project manager: deliver on time and to budget• Finance: keep costs within budget• Training: cannot increase training costs
• So must know the implications of your great idea
• Corporate ID: must reflect our image
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Who owns the user experience?
• Hardware ... Shape, size, weight, labels…• Software … installation procedure Ok?• QA …fault free products• Tech writers … user manuals, instructions• Training … sufficient, efficient, economic• CSRs … cope with customer questions• Marketing … position products• etc. etc.
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Different owners & cultures
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What’s your business?
• Consumer products– Generic hardware/software (PDAs, games,
smart watches)– For a specific target audience (business DSS,
financial planning SW, scheduling SW)
• Customer-specific products– Internal to your organization– For outside customers (EMS, WMS)
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What’s your business?
• Consumer products– Generic hardware/software (PDAs, games,
smart watches)– For a specific target audience (business DSS,
financial planning SW, scheduling SW)
• Customer-specific products– Internal to your organization– For outside customers (EMS, WMS)
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Targeted consumer products
• Dental support system• 7 manyears
• > $2million development costs
• Worked with dentists … employed at a Unversity
• Special features:– Multimedia data storage & manipulation
– Video camera … to confirm diagnosis
– Speech I/O … to avoid keyboard
– Excellent scheduling capability … if > 4 dentists
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User instructions
• Problems installing a printer driver• 50,000 calls to help desk
• + send out patch on disk
• Cost > $900,000 + between $600,000 and $12,5 mill
• Evidently no user testing prior to release
• User manual style and template• 50% of $1,68 mill per year
• Cost of style & template $80K
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The Cordis story
1993 •$223m Annual sales•$20 share value•<1% market share of angioplasty balloons•Goal: 5% market share
•$443m annual sales•Stent was born...•$1billion sales in year 1
1995
1996
•Johnson & Johnson acquired Cordis at•$109 share value
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Know thy users’ goals
• Cordis focused on desired outcomes• Outcome-based interviews
• Desired outcomes
• Decompose the process
• Organise the outcomes in categories corresponding to each step in the process
• Rate outcomes for importance and satisfaction
• Use outcomes to jump-start innovation (Ulwick, A.W., 2002)
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Outcome-based interviews
• Began to define every step underlying usage process
• Inserting catheter into an artery
• Placing the balloon at the lesion or blockage
• Opening the artery by inflating the balloon
• Removing the catheter
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Stakeholders, yes but…
• Know precisely who to focus on• Cardiologists who perform the procedure
• Nurses who assist the procedure
• Hospital administrators who sit on the purse strings
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Capture desired outcomes
• Moderator • clarifies and validates customers’ statements
• digs beneath the surface of words
• makes sure every aspect of the process/activity is gone through
• Each statement translates into one desired outcome containing– Type of improvement required (increase minimize)
– Unit of measure (time, n, frequency)
– Outcome statement used later in benchmarking, competitive analysis, concept evaluation
– Rephrases statements until they are free of solutions
– Then confirms statements with participants
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Organise the outcomes
• List collected outcomes, remove duplicates• Categorise into groups corresponding to each step
in the process, here• Inserting catheter into an artery
• Placing the balloon at the lesion or blockage
• Opening the artery by inflating the balloon
• Removing the catheter
• With this we can measure value to the customer
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Rate and use outcomes
• Rate outcomes for• Importance and satisfaction, i.e. how well is each
outcome currently satisfied?
• Use outcomes to jump-start innovation• Cordis identified several new product opportunities
and set new goals (e.g. 20% reduction in restenosis)
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[Importance + (Importance – Satisfaction) = opportunity]
Desired outcome Importance Satisfaction Opportunity
Minimize restenosis 9.5 3.2 15.8
Minimize force to cross lesion w. balloon
8.3 4.2 12.4
Minimize damage (dissection)
9.5 7.5 11.5
Minimise time to place balloon
9.1 8.4 9.8
Minimise time to complete procedure
5.1 1.0 9.2
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Changing UCD focus
• Who are the application stakeholders?– Includes users
• What are their goals?– Includes tasks
• What products compete with this one? – Includes other tools used
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Product life cycle
Amount of effort Product 1
Time
Product 2
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Now, to the web
Fortune 1000 companies spend on average $1,5 - 2,1 mill/year redesigning their web sites without knowing whether this actually improves them for users
Kalin (1999)
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Overall goals1a Business goals
•Customer conversion•Increase retention•Increase transactions
Back-end systemand processes
Engagement and Interaction process, Including content and transactions
3
Customer goals•Easy to learn•Easy to find & buy•Access to help when I need it
1b
Satisfaction of Customer goals leadsTo satisfaction ofBusiness goals
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from Donahue (2002)
User interface2
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Novice Target user zone Early adopter
New user-Tentative-May need proactive help
Early adopter- fast- aggressive- needs little /no help- values fast, efficient user experience
from Donahue (2002)
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Web development life cycle
Strategic planningDefine user and businessgoals
ArchitectureInformation and Technology architecture
Visual designLook & feel
Validationusability tests
Execution
Launch
Maintenance
Business evolution8
76
5
4
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1
from Donahue (2002)
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Deliver value to all segmentsBusiness goals User Online experience Directed user behaviours
must driveConvert browsers Prospective customer Relationship Researching firmto customers and (i.e. browser) establishing activity requesting informationIncrease client base and follow-up
Increase Existing customer Relationship- Increasing frequency ofRetention rate retaining engagement, level of
behaviour membership
Deepen existing Existing customer Relationship- Increase number of pointsCustomer deepening activity of contact with customerrelationships
Increase productivity Employee Creation of usable Action based onInside the firm inside the firm data about profitable understanding and analysis
and cost-efficient of transaction and data transactions usage
from Donahue (2002)
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What’s your business?
• Consumer products– Generic hardware/software (PDAs, games,
smart watches)– For a specific target audience (business DSS,
financial planning SW, scheduling SW)
• Customer-specific products– Internal to your organization– For outside customers (EMS, WMS)
![Page 30: Designing for the customer and the bottom line: Costs and benefits of user-centred design Gitte Lindgaard Carleton University Ottawa, Canada](https://reader036.vdocuments.net/reader036/viewer/2022062714/56649d255503460f949fbbc3/html5/thumbnails/30.jpg)
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Hidden costs
• In the U.S. 31% large development projects (budget > $100,000) cancelled before completion
• Of those that were completed, 52.7% were 189% over budget on average and cost an additional $59billion in 1995 (Ewusi-Mensah, 1997)
• A 6-month delay in release adds 33% after-tax profits (House & Price, 1991)
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Creeping costs
• Fixing a problem worth $1 during project definition costs
• $10 if fixed during development, and
• $100+ if fixed after product release
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Creeping costs
Requirement Development DeploymentPhase Phase Phase
N possible design alternatives
Cost of changes
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Creeping costs
• Total maintenance costs $20-30billion/year• Backlog maintenance minimum 167% of
this (Martin & McClune, 1998)
• … 80% of all problems are identified during maintenance, and it is estimated that 80% of these could be saved with a thorough UNA!
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Calculating costs and benefits
• 2 parameters are important:– Cost/benefit ratio
• Relationship between projected use of resources and post-implementation/post-sale value of the investment (and savings during development)
– Payback period• The amount of time it will take before the product
starts to outweigh the cost of the investment
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Costs and benefits
– Cost/benefit ratio• Relationship between projected use of resources and
post-implementation/post-sale value of the investment (and savings during development)
– Cost• Team of 4, 2 hours @ $60 = $480
– Saving • 4 person days = 32 hours @ $60/hour = $1,920
– Cost/benefit ratio = 1:4
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An example
• Core system - customer records– customer requests– services & equipment for every telephone
number (n lines, n sockets, cables, exchanges)– linked with other systems (billing, cables,
faults, WP/YP, service orders, scheduling)
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OEO50I INIT ENTRY:ANDREW MEDICI
I11489 SERV#: _______ EXT#: _________ EE#: _____
*** TPIS/2 ORDER S&E ENTRY ***
EXCH ACT: J EXCH CODE: ______ INPLACE: _________ IP DATE: ______EXCH RMK: ____________________________________________________________________SERVICE NAME: ________________________________________________________________ADD ADDR INFO: _______________________________________________________________SUB ADDR TYPE: ______________________________ SUB ADDR#: ____________________STREET#SFX: _______ ________ NAME: ____________________ TP/SFX: ______________LOCALITY: __________________________ POSTCODE: ________FLT CLR PTY: ___ TEMPORARY: _ AL CONN: _______ ROT CONN: ___ PEXT? __LINE TYPE: _____ NEXT FAC: _ LN SEL: __ ARE CODE:REM/CCN(R/N): __ - SERV STATUS: ___ DISC TYPE: PAL#: _______RENTAL RATE: ___ METER RATE: ___ CONC AUTH: _________ CAB#: ______ASIC: _________DIRECTORY ACTION REQ (Y/N): _ DIRECTORIES#=-> WH: __ YE: _ COM: ___
COMMAND: ______
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OEO50I INIT ENTRY:ANDREW MEDICI
I11489 SERV#: _______ EXT#: _________ EE#: _____
*** TPIS/2 ORDER S&E ENTRY ***
EXCH ACT: J EXCH CODE: PBX334 INPLACE: 3374606 IP DATE: 04089996EXCH RMK: N/A QREMMSERVICE NAME:PETER JAMES HOUSTONADD ADDR INFO: ROWANVILLE MELASUB ADDR TYPE: SEMI-ATT. DUAL H/H DWELLING SUB ADDR#: 337ASTREET#SFX: CRESCENT NAME: ST BARTHOLOMEW TP/SFX: PMT/YYLOCALITY: ROWANVILLE WEST POSTCODE: 3957FLT CLR PTY: ROP TEMPORARY: N AL CONN: P/T ROT CONN: 3F PEXT? YLINE TYPE: PBX NEXT FAC: N LN SEL: PR ARE CODE:TTYP-MREM/CCN(R/N): 2X - SERV STATUS: INP DISC TYPE: PAL#: POTT/PRENTAL RATE: RES METER RATE: PM1 CONC AUTH: MELA CAB#: 228FS/476PWASIC: 338PYDIRECTORY ACTION REQ (Y/N): N DIRECTORIES#=-> WH: N YE: N COM: PB
COMMAND: EXT
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Through the operator’s eyes
• Activity analysis of 2,000+ calls (Wilson, 1995)
– Typical call activities:Interacting with computer 190 sec Interacting with customer 148 secWalkabouts 33 sec 33 min/dMaking phone calls 28 sec 28 min/dPaperwork 24 sec 24 min/dOther behaviour 12 sec Total time wasted 85 min/d
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Other problems
• Data accuracy rate (for accepted transactions only) = 70%
• Database not in place at cutover
• On-the-spot system rejections = ?%
• Absenteeism increased >200% during study– 2 suicide attempts, 2 nervous breakdowns, numerous staff
on long term stress-leave
• Staff turnover rates ~120% in 3 months
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CostCommunication
$M1.6
Tech time $M3.7CSR Training
$M10.4
Help, support$M0.5
Enhancements$M.8
CSR time $M13
Total $M30!!!
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• Cost-benefit ratio:– Total costs of waste year 1$ 30 million
– Total cost of study $ 90K
At least 50% could be fixed easily at a cost of $1million and within 1 year
– Waste after 1 year $15 million
– Cost-benefit ratio 1:1.38
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Another example
• HR processing applicants– Current process time 4hours/applicant– Data entry costs $25/applicant $100/applicant– HR processes 1,000/year $100,000– Programming time 40 hrs @ $60/hr $ 2,400
• Usability work shows 50% user time saved, but say 25%– Cost/applicant now $75 or $75,000/year– Benefit per applicant $25 or $25,000/year– Benefit in year 1($25,000-$2,400) $22,600– Benefit in year 2 $25,000– Benefit in year 3 $25,000– Total benefit (year 1 + 2 + 3) $72,600– Cost-benefit ratio 72,600:2,400 1:30.25
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What’s your business?
• Consumer products– Generic hardware/software (PDAs, games,
smart watches)– For a specific target audience (business DSS,
financial planning SW, scheduling SW)
• Customer-specific products– Internal to your organization– For outside customers (EMS, WMS)
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Warehouse Management System
• Bottlenecks: Assemblers• Handheld devices sometimes miss an entry
• Voice Recognition System freezes
• …Assemblers work to standards
• ….they can’t offload orders in bay specified
• Bottlenecks: Loaders• Can’t find orders
• Loads are too tall for trucks
• Loads must be dismantled and reassembled
• …2/3 of loaders’ job spent re-doing assemblers’ work
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Subject Object OutcomeOutcome
Tools
Rules CommunityDivision of Labour
Transformation
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Changing UCD focus
• Who are the application stakeholders?– Includes users
• What are their goals?– Includes tasks
• What products compete with this one? – Includes other tools used
• What is the context like?– Includes community of work, division of labour, rules
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UCD opportunities
• Strategic planning (web)
• Product definition stage (Cordis)
• User Requirements capture stage (dental support system)
• Outside of development cycle (Customer records system)
• During SDLC (traditional usability studies)
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UCD methods
• Social/behavioural science methods– Opinion-based (interviews, surveys, reviews,
focus groups)– Performance based (activity analyses, user
tests, observations)
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UCD challenges
• Must expand– User focus to business focus– Single product to product range focus – Understanding of business goals, processes– Notion of “team” beyond project team
• Must move outside the usability box
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Lindgaard’sBackyard
November 2002
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Lindgaard’s BackyardMay 2003