Table 3

Model's discriminant validity

CriterionConstruct1234567
Fornell–Larcker criteriaAcademic Productivity0.805      
Actual Usage0.4700.806     
Overall Quality0.3100.2980.881    
Perceived Usefulness0.6130.4130.3570.794   
Satisfaction0.5430.5060.4310.5370.806  
Social Influence0.1830.1640.1670.2070.1630.803 
TTF0.5850.5500.4280.5990.5770.2410.813
Heterotrait-monotrait ratioAcademic Productivity       
Actual Usage0.592      
Overall Quality0.4040.411     
Perceived Usefulness0.8010.5710.506    
Satisfaction0.6880.6640.5920.742   
Social Influence0.2360.2190.2380.2720.229  
TTF0.7400.7320.5770.8290.7730.316 
Source(s): Authors’ own work

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