Table 4.

Heterotrait-monotrait ratio criterion

ConstructAD acceptanceAD formatAD functionalityAD relevanceHedonic motivationPriv. riskSmart device
ease of use
AD format0.635      
AD functionality0.5280.785     
AD relevance0.6450.7720.772    
Hedonic motivation0.8960.6660.5380.647   
Priv. risk0.1030.1090.1630.0620.109  
Smart device ease of use0.3670.3860.3360.3830.4210.072 
Smart device usefulness0.5600.5280.4650.4710.5640.0880.509

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