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CHI
2002
ACM
14 years 10 months ago
Usability inspections by groups of specialists: perceived agreement in spite of disparate observations
Evaluators who examine the same system using the same usability evaluation method tend to report substantially different sets of problems. This so-called evaluator effect means th...
Morten Hertzum, Niels Ebbe Jacobsen, Rolf Molich
PERCOM
2007
ACM
14 years 9 months ago
Good Manners for Pervasive Computing--An Approach Based on the Ambient Calculus
When people interact, they follow distinct rules that coordinate the order of speech, who opens doors, whom and how to greet, and many things more. Such a social codex depends on ...
Gregor Schiele, Marcus Handte, Christian Becker
CHI
2010
ACM
14 years 4 months ago
FeedWinnower: layering structures over collections of information streams
Information overload is a growing threat to the productivity of today’s knowledge workers, who need to keep track of multiple streams of information from various sources. RSS fe...
Lichan Hong, Gregorio Convertino, Bongwon Suh, Ed ...
CHI
2010
ACM
14 years 4 months ago
Average task times in usability tests: what to report?
The distribution of task time data in usability studies is positively skewed. Practitioners who are aware of this positive skew tend to report the sample median. Monte Carlo simul...
Jeff Sauro, James R. Lewis
CHI
2010
ACM
14 years 4 months ago
How does search behavior change as search becomes more difficult?
Search engines make it easy to check facts online, but finding some specific kinds of information sometimes proves to be difficult. We studied the behavioral signals that suggest ...
Anne Aula, Rehan M. Khan, Zhiwei Guan