Cognitive Load Identification of Pilots Based on Physiological-Psychological Characteristics in Complex Environments

Table 6

Pearson correlation matrix.

Indicator category
	Pearson correlation	1	0.951	−0.993	0.975	0.972	−0.985	0.984	0.432
	Significant (bilateral)	—	0.013	0.001	0.005	0.006	0.002	0.002	0.467
	Pearson correlation	0.951	1	−0.940	0.899	0.899	−0.920	0.979	0.311
	Significant (bilateral)	0.013	—	0.017	0.038	0.038	0.027	0.004	0.611
	Pearson correlation	−0.993	−0.940	1	−0.974	−0.953	0.972	−0.986	−0.456
	Significant (bilateral)	0.001	0.017	—	0.005	0.012	0.006	0.002	0.440
	Pearson correlation	0.975	0.899	−0.974	1	0.988	−0.994	0.938	0.622
	Significant (bilateral)	0.005	0.038	0.005	—	0.002	0.001	0.018	0.262
	Pearson correlation	0.972	0.899	−0.953	0.988	1	−0.997	0.923	0.579
	Significant (bilateral)	0.006	0.038	0.012	0.002	—	0.000	0.025	0.306
	Pearson correlation	−0.972	0.889	0.972	−0.994	−0.997	1	−0.947	−0.562
	Significant (bilateral)	0.002	0.027	0.006	0.001	0.000	—	0.015	0.324
	Pearson correlation	0.984	0.979	−0.986	0.938	0.923	−0.947	1	0.346
	Significant (bilateral)	0.002	0.004	0.002	0.018	0.025	0.015	—	0.568
	Pearson correlation	0.432	0.311	−0.456	0.622	0.579	−0.562	0.346	1
	Significant (bilateral)	0.467	0.611	0.440	0.262	0.306	0.324	0.568	—

Significantly correlated at the 0.05 level (both sides); significantly correlated at the 0.01 level (both sides).