Table 7 Results of an independent sample t-test for the multisensory satisfaction survey (assuming equal variances)

Independent samples T test
HMD – non-HMD	T-test for Equality of Means
	T	Degree of Freedom	Significance probability		Average difference	Standard Deviation difference
			One-side probability	Two-side probability
A_1	2.690	38	0.005	*0.011	0.400	0.19
A_2	0.000	38	0.500	1.000	0.000	0.097
A_3	-2.578	38	0.007	*0.014	-0.650	0.252
A_4	-2.484	38	0.009	*0.018	-0.500	0.201