Exploration of the Relationships between Hazard Perception and Eye Movement for Young Drivers

Table 8

Correlations between the indices of hazard perception and eye movement.

Indices		HEA	VEA	MFD	ANF	MSD	MSA	ANS
CDE	Correlation coefficient	0.220	0.259	−0.337	−0.022	−0.309	−0.410	−0.055
	Sig. (2-tailed)	0.203	0.133	0.048	0.901	0.071	0.014	0.753
HDE	Correlation coefficient	0.176	0.194	−0.304	−0.128	−0.388	−0.144	−0.128
	Sig. (2-tailed)	0.313	0.264	0.076	0.464	0.021	0.409	0.464
HIT	Correlation coefficient	0.006	−0.022	0.205	0.650	0.138	0.167	0.702
	Sig. (2-tailed)	0.972	0.900	0.238	0.000	0.431	0.339	0.000
NHSI	Correlation coefficient	0.268	0.280	0.069	0.705	−0.140	−0.027	0.751
	Sig. (2-tailed)	0.120	0.104	0.696	0.000	0.424	0.877	0.000
NHU	Correlation coefficient	0.043	0.067	0.276	0.269	0.120	−0.225	0.299
	Sig. (2-tailed)	0.805	0.701	0.109	0.118	0.491	0.194	0.081

Note. HEA = horizontal eye activity; VEA = vertical eye activity; MFD = mean fixation duration; ANF = average number of fixations; MSD = mean saccade duration; MSA = mean saccade angle; ANS = average number of saccades; CDE = complexity degree evaluation; HDE = hazardous degree evaluation; HIT = hazard identification time; NHSI = number of hazards slowly identified; NHU = number of hazards unidentified.