Table 1.
Descriptive statistics for the outcome variables
| (1) Overall | (2) By treatment | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| (a) Control | (b) COVID-19 reference | ||||||||
| Mean | Std. error | N | Mean | Std. error | N | Mean | Std. error | N | |
| Donation choice | |||||||||
| Overall amount (i) | .5951607 | .0068394 | 3548 | .5711618 | .0096508 | 1799 | .6198456 | .0096605 | 1749 |
| Share of donors | .7669109 | .0070991 | 3548 | .7487493 | .0102289 | 1799 | .7855918 | .0098163 | 1749 |
| Positive amount | .7760492 | .0052849 | 2721 | .7628211 | .0075857 | 1,347 | .7890175 | .0073502 | 1374 |
| Donation share to UK project | |||||||||
| Overall | .5516911 | .0054728 | 3548 | .5533463 | .0078258 | 1799 | .5499886 | .0076482 | 1749 |
| If donation positive (ii) | .5408232 | .0061844 | 2721 | .5504009 | .0089523 | 1347 | .5314338 | .0085378 | 1374 |
| If donation equal to zero | .5874486 | .0116364 | 827 | .5621239 | .0160857 | 452 | .6179733 | .0166989 | 375 |
(i) and (ii) mark the outcomes used in the (preregistered) hypotheses tests