Journal
BEHAVIOR RESEARCH METHODS
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.3758/s13428-022-02010-3
Keywords
Wearable eye tracking; Data quality; Head movement; Body movement
Categories
Funding
- Consortium on Individual Development (CID)
- Gravitation program of the Dutch Ministry of Education, Culture, and Science
- NWO [024.001.003]
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This study investigates the performance of modern wearable eye trackers in dealing with head and body movement. Four participants were asked to perform various movements while fixating on a static target, and their gaze was recorded using six different eye trackers. The results show that accuracy decreases as movement becomes more intense, especially during jumping. The majority of errors were smaller than 3 (circle), with a maximum error of 5.8 (circle). The implications of decreased accuracy in different research scenarios are discussed.
How well can modern wearable eye trackers cope with head and body movement? To investigate this question, we asked four participants to stand still, walk, skip, and jump while fixating a static physical target in space. We did this for six different eye trackers. All the eye trackers were capable of recording gaze during the most dynamic episodes (skipping and jumping). The accuracy became worse as movement got wilder. During skipping and jumping, the biggest error was 5.8(circle). However, most errors were smaller than 3(circle). We discuss the implications of decreased accuracy in the context of different research scenarios.
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