Table 6. Fornell-Larcker and Heterotrait-Monotrait criterion for discriminant validity in a study of perceptions of hepatitis B among 728 participants in Selangor, Malaysia, 2016.

Fornell and Larcker criterion	CA	PB	PBE	PSE	PSU	WTP
Cues to action	0.777
Perceived barriers	-0.124	0.716
Perceived benefit	0.404	-0.261	0.780
Perceived severity	0.065	0.143	0.067	0.735
Perceived susceptibility	0.445	-0.056	0.413	0.043	0.774
Willingness to pay	0.175	0.090	0.070	0.238	0.086	1.000
Heterotrait-Monotrait criterion	CA	PB	PBE	PSE	PSU	WTP
Cues to action	-
Perceived barriers	0.199
Perceived benefit	0.538	0.365
Perceived severity	0.140	0.258	0.099
Perceived susceptibility	0.662	0.154	0.537	0.121
Willingness to pay	0.201	0.128	0.074	0.283	0.081

Square roots of AVE have shown diagonally (in bold)