Presenter 1 of 3 of 10 UX Methods To Help You Build Great Applications. Rami Tabbah is a usability consultant with over 20 years experience. He holds a Masters of Engineering in Cognitive Ergonomics. His focus is to create efficient user interfaces that affect the business bottom line. @Ergonaute blog.ergonaute.net See www.SiliconHalton.com

1. Beyond Product Usability
Rami Tabbah, M.Eng @Ergonaute blog.ergonaute.net

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Defining User Experience

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ISO 9241-11 usability definition
Usability is the measure of
how easily, efficiently
and satisfyingly
different types of users
can accomplish different
tasks towards different
goals

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Our Toolkit

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ISO 13407 (1999)
User Experience
• Early Focus on users
Plan Strategy &
Strategy Process and tasks
• Empirical measurement
of product usage
Research & Specify • Iterative design: Design,
User Research & the Context of Use
test, modify
Testing
Evaluate Designs Research & Specify
against Requirements Requirements
Design & Produce Design
Solutions
Prototyping
Design Meet Requirements &
Produce Design
Documentation Documents
ISO 13407 : Human-centred design processes for interactive systems .

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Task 3: Order a Packaged Product
Steps – current Steps – proposed
1- Pick “place a new order” 1- Select product from list (assuming one click
2- Pick exchange without opening the tree)
3- Click on next 2- Scroll down
4- Select package products 3- Click on “Order Selected Products” button
5- Click on “Next” without changing delivery 4- Scroll down
method 5- Click on “Submit” button on the “Confirm
6- Select product from tree (assuming one click) order details” page
7- Scroll down 6- Click “Download Packaged Products” link on
8- Click “Next” the “Order submitted” page
9- Select product from sub tree (assuming one
click)
10- Scroll down
11- Click “Next”
12- Scroll down
13- Click “Final submission” on summary page
(assuming no printing)
14- Scroll down
15- Click “Download packaged products” on
confirmation page
Estimated time – current Estimated time – proposed
M+P+2B+ 39 sec M+P+2B+P+12B+P+2B+ 14.8 sec
W+M+P+2B+P+2B+P+2B+ W+M+P+6B+P+2B+
W+M+P+2B+W+ W+M+P+2B
M+P+2B+W+M+P+2B+P+6B+P+2B+
W+M+P+2B+P+6B+P+2B+
W+M+P+6B+P+2B+
W+M+ P+6B+P+2B
The total saving is thus approximately 62.05 %.

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Unified Usability
 End to End user experience strategy
 User Centric Design approach
 Business objectives and strategy
 Business processes & patterns
 Multiple silos
 Multiple user interfaces
 Diverse data sources, devices and technologies
 Different types of users and contexts of use.
 Business and technology evolution
 Accessibility and universal design
 Calculates end to end performance

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Ergonaute’s Usability Maturity
Model for Large Corporations
Maturity
9- Strategic
8- Benchmarked & Optimized at Organization Level
7- Integrated in Delivery Framework
6- Implemented at Process Level
5- Standardized (guidelines, reuse)
4- Considered at Project Level
3- Recognized
2- Unorganized
1- Developer Centered Usability
0- Unrecognized
Ergonaute’s Usability Maturity Model for Large
Corporations, 2011

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Usability is
 User centric
 Engineering
 Measurement
 Cultural change
 Strategic
 Teamwork