. Author manuscript; available in PMC: 2017 Jul 1.

Published in final edited form as: J Exp Psychol Hum Percept Perform. 2016 Jan 25;42(7):1008–1025. doi: 10.1037/xhp0000190

Table 1.

Means of eye-movement dependent measures. (Standard errors of the means are indicated in parentheses.)

Dependent Measures	Invalid Preview		Valid Preview

	Low Freq.	High Freq.	Low Freq.	High Freq.
Progressive-Saccade length (char.)	2.26 (0.08)	2.23 (0.08)	2.32 (0.07)	2.49 (0.09)
Progressive-Fixation Position (char.)	1.09 (0.09)	1.06 (0.09)	1.24 (0.08)	1.41 (0.10)
Incoming-Saccade Length (char.)	2.17 (0.06)	2.14 (0.05)	2.22 (0.05)	2.32 (0.06)
Incoming-Fixation Position (char.)	0.98 (0.04)	0.99 (0.04)	1.10 (0.04)	1.14 (0.04)
Outgoing-Saccade Length (char.)	2.40 (0.08)	2.45 (0.08)	2.49 (0.09)	2.53 (0.08)
Skipping Probability	0.25 (0.03)	0.26 (0.02)	0.25 (0.02)	0.29 (0.02)
Refixation Probability	0.12 (0.02)	0.08 (0.02)	0.10 (0.02)	0.06 (0.01)
First-Fixation Duration (ms)	322 (10)	305 (11)	280 (6)	260 (7)
Gaze Duration (ms)	414 (20)	355 (15)	323 (13)	286 (10)

Notes: char. = characters;