Table 8.

Effect of perceived substitutability on behavioral intention to use VR in tourism.

	Step 1 (X → Y)	t	Step 2 (X → M)	t	Step 3 (MX → Y)	t	Step 4 (Sobel Test)	Sign.
Perceived substitutability (X)	0.524	5.746**	0.551	6.165**	0.065	1.028	5.5817	0.000
Interest in VR (M)					0.832	13.074**
F	33.011**		38.003**		134.216**
R2 for each step	0.275		0.304		0.757
ΔR2			0.029		0.453
Adj R2 for each step	0.267		0.296		0.752
Δ Adj R2			0.029		0.456

Obs. Significant at **p < 0.001.