Quiet interfaces that help students think
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Automatic prediction of frustration
International Journal of Human-Computer Studies
EC-TEL'10 Proceedings of the 5th European conference on Technology enhanced learning conference on Sustaining TEL: from innovation to learning and practice
Cognitive load evaluation of handwriting using stroke-level features
Proceedings of the 16th international conference on Intelligent user interfaces
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Detecting states of frustration among students engaged in learning activities is critical to the success of teaching assistance tools. We examine the relationship between a student's pen activity and his/her state of frustration while solving handwritten problems. Based on a user study involving mathematics problems, we found that our detection method was able to detect student frustration with a precision of 87% and a recall of 90%. We also identified several particularly discriminative features, including writing stroke number, erased stroke number, pen activity time, and air stroke speed.