The precis of Project Ernestine or an overview of a validation of GOMS
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A tool for creating predictive performance models from user interface demonstrations
Proceedings of the 12th annual ACM symposium on User interface software and technology
The keystroke-level model for user performance time with interactive systems
Communications of the ACM
The Psychology of Human-Computer Interaction
The Psychology of Human-Computer Interaction
KSPC (Keystrokes per Character) as a Characteristic of Text Entry Techniques
Mobile HCI '02 Proceedings of the 4th International Symposium on Mobile Human-Computer Interaction
Phrase sets for evaluating text entry techniques
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Model for non-expert text entry speed on 12-button phone keypads
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Predictive human performance modeling made easy
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Keystroke-level model for advanced mobile phone interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Structure and development of plans in computer text editing
Human-Computer Interaction
Quick and dirty GOMS: a case study of computed tomography interpretation
Human-Computer Interaction
Information theoretic models of HCI: a comparison of the Hick-Hyman law and Fitts' law
Human-Computer Interaction
The performance of touch screen soft buttons
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Predictive error behavior model of on-screen keyboard users
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Extending mobile user ambient awareness for nomadic text entry
Proceedings of the 23rd Australian Computer-Human Interaction Conference
Towards online adaptation and personalization of key-target resizing for mobile devices
Proceedings of the 2012 ACM international conference on Intelligent User Interfaces
The effect of time-based cost of error in target-directed pointing tasks
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Researchers have developed many models to predict and understand human performance in text entry. Most of the models are specific to a technology or fail to account for human factors and variations in system parameters, and the relationship between them. Moreover, the process of fixing errors and its effects on text entry performance has not been studied. Here, we first analyze real-life text entry error correction behaviors. We then use our findings to develop a new model to predict the cost of error correction for character-based text entry technologies. We validate our model against quantities derived from the literature, as well as with a user study. Our study shows that the predicted and observed cost of error correction correspond well. At the end, we discuss potential applications of our new model.