Table 12.

Significance Test Between Different Stress-Induced Minutes

Features	Book Test & Math Test		Cold Test & Math Test		Book Test & Cold Test		One-Way ANOVA
	t-Stat	p-Value	t-Stat	p-Value	t-Stat	p-Value	F-Stat	p-Value
Mean heart rate (HR)	−18.160	<0.001	−8.760	<0.001	−6.080	<0.001	153.480	<0.001
Standard deviation HR	0.300	0.762	0.690	0.491	−0.430	0.671	0.250	0.778
Median HR	−18.260	<0.001	−8.760	<0.001	−6.010	<0.001	154.290	<0.001
20th percentile HR	−16.850	<0.001	−8.320	<0.001	−5.720	<0.001	135.790	<0.001
80th percentile HR	−16.720	<0.001	−7.990	<0.001	−5.750	<0.001	128.840	<0.001
Mean R-R interval	18.510	<0.001	7.970	<0.001	6.350	<0.001	148.800	<0.001
Standard deviation R-R interval	2.900	0.004	1.150	0.250	1.490	0.137	4.230	0.015
Median R-R interval	18.110	<0.001	8.120	<0.001	6.090	<0.001	144.270	<0.001
Max R-R interval	10.810	<0.001	4.580	<0.001	4.860	<0.001	56.850	<0.001
Min R-R interval	11.150	<0.001	5.050	<0.001	4.120	<0.001	56.340	<0.001
20th percentile R-R interval	17.290	<0.001	8.170	<0.001	5.940	<0.001	134.350	<0.001
80th percentile R-R interval	16.200	<0.001	7.180	<0.001	5.540	<0.001	116.690	<0.001
RMSSD	2.770	0.006	1.470	0.145	1.200	0.231	4.070	0.018

Significant scores (p < 0.05) are shown in bold.