Table 4. Independent t-test for alpha waves according to subject characteristics

Variables		Independent samples t-test
Variables		n	Mean	S.E	S.D	F	Sig
The state of having FPV	Korean	21	.1649	.0232	.0050	.135	.715
The state of having FPV	Chinese	29	.1575	.0297	.0055	.135	.715
The state of being without FPV	Korean	21	.1834	.0263	.0037	.230	.634
The state of being without FPV	Chinese	29	.1803	.0204	.0057	.230	.634
The state of having FPV	Man	23	.1646	.2276	.0047	.384	.539
The state of having FPV	Woman	27	.1572	.3053	.0058	.384	.539
The state of being without FPV	Man	23	.1804	.2479	.0051	.254	.617
The state of being without FPV	Woman	27	.1826	.2160	.0041	.254	.617
The state of having FPV	Landscape major	26	.1660	.0321	.0063	1.616	.210
The state of having FPV	Non-landscape major	24	.1547	.0196	.0040	1.616	.210
The state of being without FPV	Landscape major	26	.1830	.2879	.0056	3.096	.085
The state of being without FPV	Non-landscape major	24	.1800	.0145	.0029	3.096	.085