Table 1 Definitions and Abbreviations of the Nine Eye-Movement Measures.
From: The database of eye-movement measures on words in Chinese reading
Eye-Movement Measures | Abbreviations | Definition |
|---|---|---|
First fixation duration* | FFD | Duration of the first fixation on the target word |
Gaze duration* | GD | Sum of the fixation durations before the target word is exited to the right or left during first-pass reading |
First-pass reading fixated proportion* | FPF | Proportion that the target word is fixated during the first-pass reading |
Fixation number+ | FN | Total number of fixations on the target word |
Proportion regression in+ | RI | Proportion of regression into the target word |
Proportion regression out+ | RO | Proportion of regression out from the target word |
Saccade length toward the target from the left+ | LI_left | Length of saccade into the target word when the word is first fixated from the left side (unit: character) |
Saccade length from the target to the right+ | LO_right | Length of the saccade from target word to the right after the word first fixated (unit: character) |
Total fixation duration+ | TT | Sum of the fixation durations on the target word |
