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Denkenberger comments on Matching-donation fundraisers can be harmfully dishonest - Effective Altruism Forum

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Comment author: Denkenberger 15 November 2016 02:09:28AM 3 points [-]

When this has been discussed before (e.g. here), an important paper was cited that showed that people respond even more strongly to challenge grants (people giving money unconditionally) than matching grants. This avoids the ethical difficulty.

Comment author: Ben_Kuhn 16 November 2016 04:42:17AM 6 points [-]

The difference between matching and challenge grants was not statistically significant, actually. More generally, that study's evidence is suggestive at best; it was underpowered (couldn't have distinguished a 30% increase in donations from noise) and didn't correct for multiple (12 in the field, 10 in the lab) hypothesis tests. They also mis-described what a p-value means, which doesn't directly invalidate their results but makes me pretty generally worried.