1. Information System Design Info-440
Autumn 2002
Session #19

2. Agenda Two cases Course evaluations Accessibility
Navigation/visual design
Course evaluations
Copyright David Hendry (INFO-440 session /04/2002)

3. Announcements Visio lab – 340 Anyone? Monday, Sept 9th, 3:30 – 4:30
If you have specific questions, please send them to me
Anyone?
Copyright David Hendry (INFO-440 session /04/2002)

4. Upcoming Quiz #4 Interactive Prototyping Project
December 9 – On Nielsen, Chap. #5
Interactive Prototyping Project
Friday, Dec 13, Noon (or earlier)
Copyright David Hendry (INFO-440 session /04/2002)

5. Last time Landscape of usability evaluations Formative Summative
Payoff
Intrinsic
Copyright David Hendry (INFO-440 session /04/2002)

6. Last time Big pictures on design methods
Copyright David Hendry (INFO-440 session /04/2002)

7. Last time Case study Solution
Goal: Double the conversion rate (from 8% - 16%)
Metric: Conversion Rate
CR= no. signups/no. of users
Solution
4 Steps
Copyright David Hendry (INFO-440 session /04/2002)

8. Last time: Project plan
Develop claims. Develop user model for why users abandon the sign-up process
Eg. Response time, data errors, privacy concerns, contextual irrelevance, etc.
Summative evaluation. Collect traffic data and study drop-off rates
Formative evaluation. Conduct usability studies
Dynamic experiments. Develop infrastructure that systematically manipulates question format, presentation order, etc.
Copyright David Hendry (INFO-440 session /04/2002)

9. Case study

10. Accessible Search Product manager says: Some facts
“We think we should make the search results page accessible to all blind and visually handicapped users… We are going to build a special-purpose page and launch it in 6 weeks”
Some facts
The company has no experience with accessibility
The search page gets 500K hits/day
The audience for the site is diverse
Copyright David Hendry (INFO-440 session /04/2002)

11. Your analysis Questions:
What questions might you ask the PM?
What design process would you suggest? Possible format:
Method Outcome Expected time Rationale …
Copyright David Hendry (INFO-440 session /04/2002)

12. Background on accessibility
(Thanks to Phil Lanier)
Copyright David Hendry (INFO-440 session /04/2002)

13. Experiencing the Web from a different point of view
Low or no vision
Turn off graphics in browser
Use Lynx
Try Windows magnifier
Try using a screen reader (free trial of IBM Homepage Reader
Deaf/hard of hearing
Turn off speaker
Limited Mobility
Unplug your mouse… navigate with keyboard only.
Try the Windows’ On-Screen Keyboard
Type an entire with a pencil (in your mouth)
Copyright David Hendry (INFO-440 session /04/2002)

14. Let’s work the case

15. Case: Left navigation

16. Case summary Visual design says: What do you think should be done?
“I have to alternatives for how the left navigation should work. Which one is better?”
What do you think should be done?
Copyright David Hendry (INFO-440 session /04/2002)

17. The page layout
Copyright David Hendry (INFO-440 session /04/2002)

18. Left Nav: Alternative #1
Copyright David Hendry (INFO-440 session /04/2002)

19. Left Nav: Alternative #2
Copyright David Hendry (INFO-440 session /04/2002)

20. Let’s work the case

21. Next week Monday Wrap up on Two readings Quiz, on Nielsen, Chap. #5
How design really happens
History, people, books
Two readings
See syllabus
Copyright David Hendry (INFO-440 session /04/2002)