A9.09
Physiological Load Measurement
Cards in this group · 4
- A9.09.1Pupil dilation grows with task difficulty, but is also confounded by lighting and emotional arousal
- A9.09.2EEG and heart-rate variability reflect arousal level, not the specific source of load
- A9.09.3Physiological measures usually don't interfere with the task itself, but are sensitive to equipment and environment
- A9.09.4Physiological measures suit tracking load's continuous change over time, while subjective scales suit an overall post-hoc evaluation