Presenter: Nathalie Henry-Riche BELIV 2010 Workshop http://www.beliv.org/beliv2010/

1. Human Logging for Evaluating InfoVis Nathalie Riche, Microsoft Research

2. April 5, 2010 nath@microsoft.com 2 System Logging Accuracy Time Tasks Observations Interviews Insights Human Logging

3. Insights Units of discovery Aha! Moments Answers to questions users did not even know they had April 5, 2010 nath@microsoft.com 3

4. Investigating Physiological Computing April 5, 2010 nath@microsoft.com 4

5. April 5, 2010 nath@microsoft.com 5 © http://events.goldenpalace.com/press/

6. April 5, 2010 nath@microsoft.com 6 Eye tracking Pupil dilation Heart Rate Respiration Skin conductance Muscle activity Brain activity

7. April 5, 2010 nath@microsoft.com 7 Pupil dilation Eye tracking

8. April 5, 2010 nath@microsoft.com 8 Heart Rate Respiration Skin temperature Skin conductance (GSR) Excitement Stress High mental effort

9. April 5, 2010 nath@microsoft.com 9 Muscle activity ElectroMyoGraphy (EMG) Pleasure Frustration

10. April 5, 2010 nath@microsoft.com 10 Brain activity © http://whoyoucallingaskeptic.wordpress.com/2008/07/08/esp/

11. April 5, 2010 nath@microsoft.com 11 Brain activity ElectroEncephaloGram(EEG) functional Near InfraRed (fNIR) Cognitive load Aha! moment

12. New perspectives o Insights o Analysis strategies o Cognitive load nath@microsoft.com Many Thanks to Desney Tan, Scott Counts, and Ed Cutrell for their insights on the topic! Challenges Stimuli o Analysis o Validationo