Table 3 Results of a paired-samples t-test for disorientation scores based on the system

Paired samples t-test
All condition(N=40)		Matching difference			Degree of Freedom	Significance probability
		Average	Standard Deviation	Standard error of Average		One-side probability	Two-side probability
Matching 1	N_2 – N_1	0.000	25.609	4.049	39	0.500	0.581
Matching 2	N_3 – N_1	-4.872	25.326	4.004	39	0.116	0.231
Matching 3	N_4 – N_1	4.176	33.241	5.256	39	0.216	0.432

HMD(N=20)		Matching difference			Degree of Freedom	Significance probability
		Average	Standard Deviation	Standard error of Average		One-side probability	Two-side probability
Matching 1	N_2 – N_1	-2.784	33.064	7.393	19	0.355	0.711
Matching 2	N_3 – N_1	-13.920	31.935	7.141	19	0.033	0.066
Matching 3	N_4 – N_1	-1.392	44.913	10.043	19	0.446	0.891

Non-HMD(N=20)		Matching difference			Degree of Freedom	Significance probability
		Average	Standard Deviation	Standard error of Average		One-side probability	Two-side probability
Matching 1	N_2 – N_1	2.784	15.382	3.439	19	0.125	0.428
Matching 2	N_3 – N_1	4.176	11.154	2.494	19	0.055	0.110
Matching 3	N_4 – N_1	9.744	13.624	3.046	19	0.002	*0.005