Assessment of Pilots’ Cognitive Competency Using Situation Awareness Recognition Model Based on Visual Characteristics

Table 1

Correlation results in poor visibility.

	Eye-tracking metrics	High SA		Low SA		Permutation results
		Mean	Std	Mean	Std	Welch’s t	value
AOI-1	Fixation count	9.096	1.063	15.042	2.171	2.776	0.024^b
	Fixation duration	6.28	2.915	19.595	3.456	2.462	0.036^b
	Saccade count	0.445	0.323	0.674	0.334	1.817	0.075^a
	Saccade duration	0.449	0.322	0.674	0.332	2.475	0.050^b
	Pupil diameter	4.214	0.775	4.356	1.096	−0.183	0.849
AOI-2	Fixation count	19.911	7.567	5.282	3.674	2.337	0.034^b
	Fixation duration	17.563	10.156	3.476	2.899	2.149	0.047^b
	Saccade count	13.404	8.256	4.216	1.606	1.996	0.390
	Saccade duration	0.724	0.339	0.723	0.315	2.353	0.042^b
	Pupil diameter	4.214	0.826	4.348	1.144	−0.306	0.803

and . The bold values given in Table 1 indicate p values corresponding to eye-tracking metrics associated with SA levels.