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Alice's avatar

> The average animal-cause donor gave to 5.8 charities; the average donor gave to 4.2 charities. Animal-cause donors were almost twice as likely as average donors to give money to more than eight charities.

I note with some amusement that this could be true for every charity, as the act of conditioning on donating to a specific charity implicitly overweights people who donate more widely.

For instance, suppose we had 9 charities and 10 people, each of whom donate to a single different charity, apart from one person who donates to all of them. The "average donor" gives to ~2 charities (1*9/10+9*1/10), but if you pick *any* of those charities and ask what the "average donor" gives, you find it has gone up to 5! (1*1/2+9*1/2)

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Doug S.'s avatar

"But I don't care about factory farmed animals! I want to help Chihuahuas!" - my wife

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