Information System Design Info-440 Autumn 2002 Session #19

Agenda Two cases Course evaluations Accessibility Navigation/visual design Course evaluations Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

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 19 - 12/04/2002)

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 19 - 12/04/2002)

Last time Landscape of usability evaluations Formative Summative Payoff Intrinsic Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

Last time Big pictures on design methods Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

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 19 - 12/04/2002)

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 19 - 12/04/2002)

Case study

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 19 - 12/04/2002)

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 19 - 12/04/2002)

Background on accessibility http://www.washington.edu/doit/Video/wt_dis.html (Thanks to Phil Lanier) Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

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 http://www-3.ibm.com/able/hpr.html) 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 email with a pencil (in your mouth) Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

Let’s work the case

Case: Left navigation

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 19 - 12/04/2002)

The page layout Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

Left Nav: Alternative #1 Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

Left Nav: Alternative #2 Copyright David Hendry (INFO-440 session 19 - 12/04/2002)

Let’s work the case

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 19 - 12/04/2002)