Table 2.
Timing of answers in previous years.
| 2015 | Control | Lockdown | Difference |
|---|---|---|---|
| January | 0.03 | 0.01 | 0.02 |
| February | 0.35 | 0.38 | −0.03 |
| March |
0.62 |
0.60 |
0.02 |
| 2016 | |||
| January | 0.13 | 0.14 | −0.01 |
| February | 0.32 | 0.31 | 0.01 |
| March | 0.54 | 0.54 | 0.00 |
| April |
0.01 |
0.01 |
0.00 |
| 2017 | |||
| January | 0.14 | 0.13 | 0.01 |
| February | 0.29 | 0.28 | 0.01 |
| March |
0.57 |
0.59 |
−0.02 |
| 2018 | |||
| March | 0.06 | 0.06 | 0.0 |
| April | 0.45 | 0.41 | 0.04 |
| May | 0.48 | 0.53 | −0.05 |
| June |
N/A |
N/A |
|
| 2019 | |||
| May | 0.63 | 0.58 | 0.05 |
| June | 0.37 | 0.42 | −0.05 |
Note. A few students answered in June 2018, but the numbers are too small to report for some groups.