Measurement model evaluation – convergent validity
| Constructs | Cronbach’s alpha | Composite reliability | Average variance extracted |
|---|---|---|---|
| α ≥ 0.70 | CR ≥ 0.70 | AVE ≥ 0.50 | |
| Actual usage | 0.920 | 0.949 | 0.862 |
| Continuance usage | 0.854 | 0.932 | 0.872 |
| Effort expectancy | 0.846 | 0.894 | 0.679 |
| Performance expectancy | 0.942 | 0.958 | 0.852 |
| Protection motivation | 0.819 | 0.887 | 0.723 |
| Social influence | 0.741 | 0.832 | 0.626 |
| Constructs | Cronbach’s alpha | Composite reliability | Average variance extracted |
|---|---|---|---|
| CR ≥ 0.70 | AVE ≥ 0.50 | ||
| Actual usage | 0.920 | 0.949 | 0.862 |
| Continuance usage | 0.854 | 0.932 | 0.872 |
| Effort expectancy | 0.846 | 0.894 | 0.679 |
| Performance expectancy | 0.942 | 0.958 | 0.852 |
| Protection motivation | 0.819 | 0.887 | 0.723 |
| Social influence | 0.741 | 0.832 | 0.626 |
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