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Changes in academic engagement before and in the outbreak.
| Happiness from learning | Persistence of learning | Concentration of learning | Academic engagement | |
|---|---|---|---|---|
| Before the outbreak M（P25, P75） | 5.00(4.00, 6.00) | 5.00(3.00, 6.00) | 4.00(3.00, 5.00) | 14.00(11.00, 16.00) |
| In the outbreak M（P25, P75） | 5.00(3.75, 6.00) | 5.00(4.00, 6.00) | 5.00(4.00, 6.00) | 15.00(12.00, 17.00) |
| Z | −3.450 | −15.197 | −28.363 | −18.201 |
| P | <0.01 | <0.001 | <0.001 | <0.001 |
