HCI Seminar 357

Day 11 Notes

11/03/04

1. One minute papers

Other universal access examples? (see talking to the ceiling)

Powerful incentives for improving people’s lives

2. eye-tracking demo and IDL tour (note there is a study going on today)

3. User studies (from last week)

User study: How fast is too fast; RB study: 3 types of task (lookup, exploration/analysis, explore/recomm); web vs RB; 17 subjects, within subjects design counterbalanced by system; procedure: demographic questionnaire, training, 10 searches, questionnaire, train, 10 searches, questionnaire, final questionnaire; dependent variables: time, accuracy, satisfaction, confidence, usability rating. Strong results favoring RB for exploration tasks. Second phase, not a comparison.

4. Help

Help on the web

Fall 02 class project: show me help (UNC portal) show demo

In the GOVSTAT group, we have been developing glossary-based help:

a) short textual definitions (8^th grade reading level)

i.) generic statistical meaning

ii.) context specific statistical agency meaning

b) verbose, technical definitions (tech reports)

c) multimedia enhancements

video vignettes

flash animations

interactive simulations

d) community-based

email to expert

community forums, chats

statistical glossary demo

computer consultant help (May dissertation)

5. One-minute papers:

Readings/viewings for next meeting:

Ubiquitous (calm) computing: read Weiser & Brown http://www.ubiq.com/hypertext/weiser/calmtech/calmtech.htm

Location aware devices: Want & Schilit http://seattleweb.intel-research.net/people/schilit/Want-Computer-2001.pdf

Aesthetics: Norman (ACM DL)

6. One-minute paper (post to blog)

What was the big point you learned in class today?

What is the main, unanswered question you leave class with today?