Technology acceptance of four digital learning technologies (classroom response system, classroom chat, e-lectures, and mobile virtual reality) after three months’ usage

Table 2 Cronbach’s alpha, Rho A, Composite reliability and Average Variance Extracted (AVE) for the three constructs in the TAM model (Perceived Usefulness (PU), Perceived Ease of Use (PEOU), and Behavioral Intention (BI) for each tool

Tool	Construct	Cronbach’s alpha	Rho A	Composite reliability	Average variance extracted
E-lectures	PU	0.847	0.865	0.897	0.685
	PEOU	0.935	0.944	0.953	0.836
	BI	0.959	0.960	0.968	0.860
CC	PU	0.936	0.945	0.951	0.795
	PEOU	0.879	0.881	0.917	0.738
	BI	0.992	0.992	0.993	0.968
CRS	PU	0.914	0.938	0.936	0.745
	PEOU	0.958	0.966	0.970	0.889
	BI	0.987	0.987	0.989	0.949
VR	PU	0.955	0.957	0.965	0.847
	PEOU	0.942	0.964	0.956	0.812
	BI	0.992	0.992	0.994	0.970