Table 5 Wilcoxon rank-sum test for pupil diameter (non-parametric analysis).
Pupil diameter | Mann–Whitney U | Wilcoxon W | Z | Significance level(two-tailed) |
|---|---|---|---|---|
Average_pupil_diameter.Image | 0.000 | 15.000 | − 2.611 | 0.009 |
Average_pupil_diameter.Word | 3.000 | 18.000 | − 1.984 | 0.047 |