Pupillometry and Head Distance to the Screen to Predict Skill Acquisition During Information Visualization Tasks
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Bibliographic record
Abstract
In this paper we investigate using a variety of behavioral measures collectible with an eye tracker to predict a user's skill acquisition phase while performing various information visualization tasks with bar graphs. Our long term goal is to use this information in real-time to create user-adaptive visualizations that can provide personalized support to facilitate visualization processing based on the user's predicted skill level. We show that leveraging two additional content-independent data sources, namely information on a user's pupil dilation and head distance to the screen, yields a significant improvement for predictive accuracies of skill acquisition compared to predictions made using content-dependent information related to user eye gaze attention patterns, as was done in previous work. We show that including features from both pupil dilation and head distance to the screen improve the ability to predict users' skill acquisition state, beating both the baseline and a model using only content-dependent gaze information.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it