TABLE 1.

Average values of the eye‐tracking variables per article reading session

Feature	Sum	Mean	Var	Skewness	Kurtosis
Reading time (s)	75.01
Fixation
Count	324.83
Duration (ms)		367.35	55.83	1311.96	2536.82
Pupil size (px)			0.79	−0.05	5.46
Regression
Count	35.62
Amplitude (°)		16.41	318.84	1.37	1.75
Duration (ms)		71.08	4.31	1198.80	1089.58
Peak speed (°/s)		851.99	283,408.86	0.31	−0.66
Saccade
Count	297.80
Amplitude (°)		2.67	19.46	2.66	9.02
Duration (ms)		28.96	0.60	2460.64	6823.96
Peak speed (°/s)		179.40	57,916.98	2.60	9.13
Coeff. κ		0.04	0.67	−0.15	1.94