usability for business analysts - 24 june 2009
Post on 19-Oct-2014
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DESCRIPTION
How does usability relate to the role of a Business Analyst or a Business Analyst Manager Trent Mankelow from Optimal Usability looks at the two and asks - "Can't we all be friends?"TRANSCRIPT
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Trent MankelowDave O’Brien
Introduction to Usability for Business Analysts
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Tonight’s menu
• About us
• What is usability?• Examples of bad usability
• Usability definition
• Usability benefits
• Usability and the SDLC
• Usability activities• User-testing video
• Business analysis versus usability
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Retail / Consumer
Financial Services
Not for profitTelecom / IT Media / Publishing
Government InsuranceEducation
135 clients, 17 industries
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Retail / Consumer
Financial Services
Not for profitTelecom / IT Media / Publishing
Government InsuranceEducation
80% of work from 3 industries
80%• Government• Telecommunications• Financial services
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“60% of end users find enterprise applications
somewhat difficult, very difficult, or almost impossible to use.”
- CIO.com, May 2008
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What is Usability?
“Usability is the measure of quality of the user experience
when interacting with something.”
Jakob Nielsen
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Applies to all sorts of stuff• Web
– Internet sites– Extranet sites– Intranet sites
• Paper prototypes• Software• Mobile phones• IVRs
– Speech-enabled– Touch-tone
• Office environments• Out of the Box Experiences (OOBE)• In-car navigation devices• Kiosks • In-flight entertainment systems• Retail store design
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ISO definition of usability
Easy to use UsefulSatisfying
from ISO 9241
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• Increased user productivity
• Decreased user errors
• Decreased training costs
• Reduced development costs
• Decreased user support costs
Roger Pressman, Software Engineering: A Practitioner’s Approach, McGraw-Hill
Usability benefits
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Usability and the SDLC
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Usability and the SDLC
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Usability and the SDLC
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Usability and the SDLC
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Usability and the SDLC
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Usability activities
• Field studies• Persona development• Information architecture design• Interaction design• User testing• Heuristic review• Usability analytics• ...
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Field studies
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Persona development
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Information architecture design
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Interaction design
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Heuristic review
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Usability analytics
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Business analysis vs. usability
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Business analysis vs. usability
• On a typical project:–What are a BA’s main goals?–What are a usability specialist’s main
goals?
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Business analysis vs. usability
Typical BA goals (from a UX perspective :)- Meet business goals by:
- Researching current processes- Identifying what the new system should do (requirements)- Designing improved processes
Typical UX goals• Meet business and user goals by:
– Researching users– Identifying how the new system should work (design
principles)– Designing a UI with the users in mind– Evaluating/iterating the design until it works well*
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A better BA/usability result
• Beware the ivory tower- Secondhand folklore instead of user
research- Opinion-centered design*- Long cycles with little user involvement- Different ≠ better- WE ARE NOT THE USER!
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A better BA/usability result
• Develop use cases and UI in parallel– BA, SME: Do skeleton draft of UC.– BA, UX: Talk through the main
points.– UX: Sketch some screen
variations.– BA, SME: Start filling in the details.– BA, UX, SME: Iterate/refine UC and UI
• UI design often improves the UC itself.
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A better BA/usability result
• Make use cases visual (where possible)
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A better BA/usability result
• Leave the text for the details.• Not all visuals are clear!
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A better BA/usability result
• Make the UI a visual companion to the UC
• Signing off a use case without a UI= writing a bad cheque
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“One way or another, you will be
tested.”
- Bruce Tognazzini
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More from Optimal Usability
• Monthly newsletter – subscribe at optimalusability.com
• Introduction to User Testing training – August
• Presenting to your internal teams on usability (FREE!)
Trent [email protected]
Dave O’[email protected]
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20 staff, 4 offices
Auckland, NZ Wellington, NZ
Sydney, AU Canberra, AU
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The key: early involvement
Business Case Development Post- Rollout
Time
Cost of ChangesNo. of possible design alternatives
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Roles and responsibilities
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Roles and responsibilities
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