Table 2. Structure model assessment...

Table 2.

Structure model assessment

Predictor	f² effect size	Construct	Q²	R²
TAC → TTF	0.095	TTF	0.673	0.675
TEC → TTF	0.658	PU	0.522	0.523
TTF → AT	0.028	AT	0.732	0.764
PE → AT	0.001	SCE	0.667	0.708
PE → PU	1.098	IU	0.670	0.785
PU → AT	0.061
CP → AT	0.084
CX → AT	0.000
RA → AT	0.081
AT → IU	0.264
AT → SCE	0.041
SCE → IU	0.031

Predictor	f² effect size	Construct	Q²	R²
TAC → TTF	0.095	TTF	0.673	0.675
TEC → TTF	0.658	PU	0.522	0.523
TTF → AT	0.028	AT	0.732	0.764
PE → AT	0.001	SCE	0.667	0.708
PE → PU	1.098	IU	0.670	0.785
PU → AT	0.061
CP → AT	0.084
CX → AT	0.000
RA → AT	0.081
AT → IU	0.264
AT → SCE	0.041
SCE → IU	0.031

Note(s):

TAC = Task characteristics; TEC = Technology characteristics; TTF = Task technology fit; PE = Perceived ease of use; PU = Perceived usefulness; CP = Compatibility; CX = Complexity; RA = Relative advantage; AT = Attitude; SCE = Self-confident efficacy; and IU = Intentions to use

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