Quantitative Studies - How Many Users to Test?

Jakob Nielsen's Alertbox for June 26 is now online at:
  > http://www.useit.com/alertbox/quantitative_testing.html
	
Summary:
When collecting usability metrics, testing 20 users typically offers a
reasonably tight confidence interval.

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Call for Participation: How is your intranet organized?

What navigation, categories, and labels do you use to organize information
on your intranet? Tell us about your intranet's information architecture
and you can be a part of an upcoming Nielsen Norman Group report.

Want to participate? 
   > Send an outline of your intranet's main navigation 
   > Share screenshots showing the intranet's structure
   > Answer a few follow-up questions about your intranet's IA

What you'll get:
  > A free copy of the report
  > Exposure for you and your company when the report launches

More info and full submission guidelines: 
  > http://www.nngroup.com/reports/intranet/ia

Deadline for Submissions: THIS FRIDAY, June 30

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Usability Week 2006 conference

  > Sydney, July 16-21

In-depth training:
  > 3-day Intensive Camp: Usability in Practice
  > 3-day Immersion: Tog on Interaction Design

10 specialized full-day tutorials

More info and full program:
  > http://www.nngroup.com/events

Sydney media sponsor: ZDNet.com.au

STUDENT VOLUNTEERS needed in Sydney.
Contact Christina Monsen at [email protected]