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Constructs with items.
| Constructs | Number of items | Source |
| Perceived Ease of Use (PEU) | 4 | Davis, 1989 |
| Satisfaction (SAT) | 3 | Oliver, 1976, 2018; Bhattacherjee, 2001 |
| Attitude (AT) | 3 | Oliver, 1976, 2018; Bhattacherjee, 2001 |
| The immediacy of Feedback (IF) | 3 | Bhattacherjee, 2001; Kahai and Cooper, 2003; Fajfar et al., 2012 |
| Continuous Intentions to use online Learning (CIOL) | 3 | Bhattacherjee, 2001; Chen et al., 2021 |
| Perceived Usefulness (PU) | 4 | Davis, 1989; Cheng, 2021 |
