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by davetannenbaum
1071 days ago
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Definitely a concern. We took steps to examine if there were specific "experimenter effects", that is whether response rates were affected by one research assistant rather than another, and don't find evidence that was a factor. But that doesn't address your broader concern that things might be different if the person dropping off the wallet was native to the country. FWIW the wallets were designed to signal that the owner was probably a local and not a foreigner. |
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