Assessing agreement on classification tasks: the kappa statistic
Computational Linguistics
Communications of the ACM
Reducing the gap between what users know and what they need to know
CUU '00 Proceedings on the 2000 conference on Universal Usability
Design rules based on analyses of human error
Communications of the ACM
Training wheels in a user interface
Communications of the ACM
Classification of Procedures in the Domain of Thoracic Surgery—A Study of Reliability in Coding
Journal of Medical Systems
Testing documentation with "low-tech" simulation
IPCC/SIGDOC '00 Proceedings of IEEE professional communication society international professional communication conference and Proceedings of the 18th annual ACM international conference on Computer documentation: technology & teamwork
Designing the User Interface: Strategies for Effective Human-Computer Interaction
Designing the User Interface: Strategies for Effective Human-Computer Interaction
Measurement of user frustration: a biologic approach
CHI '03 Extended Abstracts on Human Factors in Computing Systems
User recalled occurrences of usability errors: implications on the user experience
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Post-training support for learning technology
Proceedings of the 22nd annual international conference on Design of communication: The engineering of quality documentation
A taxonomy of novice user perception of error on the Web
Universal Access in the Information Society
Why don't people read the manual?
SIGDOC '06 Proceedings of the 24th annual ACM international conference on Design of communication
What users say they want in documentation
SIGDOC '06 Proceedings of the 24th annual ACM international conference on Design of communication
SIG: capturing longitudinal usability: what really affects user performance over time?
CHI '07 Extended Abstracts on Human Factors in Computing Systems
Toward a more accurate view of when and how people seek help with computer applications
SIGDOC '07 Proceedings of the 25th annual ACM international conference on Design of communication
Longitudinal usability data collection: art versus science?
CHI '08 Extended Abstracts on Human Factors in Computing Systems
Proceedings of the 26th annual ACM international conference on Design of communication
Web application and design of communication
Proceedings of the 26th annual ACM international conference on Design of communication
User experience over time: an initial framework
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Best practices in longitudinal research
CHI '09 Extended Abstracts on Human Factors in Computing Systems
The micro-structure of use of help
Proceedings of the 27th ACM international conference on Design of communication
Relationship of blink, affect, and usability of graph reading tasks
Proceedings of the 2nd International Conference on Interaction Sciences: Information Technology, Culture and Human
Exploring the effects of experience on wiki anxiety and wiki usability: an online study
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
Best practices in longitudinal research
CHI '10 Extended Abstracts on Human Factors in Computing Systems
Social networks and design of communication
Proceedings of the Workshop on Open Source and Design of Communication
Usage of and satisfaction with online help vs. search engines for aid in software use
Proceedings of the 29th ACM international conference on Design of communication
UX Curve: A method for evaluating long-term user experience
Interacting with Computers
Case study: longitudinal comparative analysis for analyzing user behavior
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Short-term methodology for long-term usability
Proceedings of the 30th ACM international conference on Design of communication
The effect of website interactivity and repeated exposure on user experience
Proceedings of the 4th Mexican Conference on Human-Computer Interaction
MemoLine: evaluating long-term UX with children
Proceedings of the 12th International Conference on Interaction Design and Children
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Testing of usability could perhaps be more accurately described as testing of learnability. We know more about the problems of novice users than we know of the problems of experienced users. To understand how these problems differ, and to understand how usability problems change as users change from novice to experienced, we conducted a longitudinal study of usability among middle-school teachers creating Web sites. The study looked at the use both the use of documentation and the underlying software, tracking the causes and extent of user frustration over eight weeks. We validated a categorization scheme for frustration episodes. We found that over the eight weeks the level of frustration dropped, the distribution of causes of frustration changed, and the users' responses to frustration episodes changed. These results suggest that the sorts of errors that are most prominently featured in conventional usability testing are likely of little consequence over longer periods of time.