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Field
Last Published
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Before
February 07, 2026 09:09 PM
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After
February 17, 2026 05:45 PM
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Field
Final Sample Size: Number of Clusters (Unit of Randomization)
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Before
Units are respondents. In South Korea, 2147 is treated. In the U.S., 2173 is treated.
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After
Units are respondents. In South Korea, 1170 people are treated among 2314 people with partisanship. In the U.S., 1428 people are treated among 2879 people with partisanship.
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Field
Final Sample Size: Total Number of Observations
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Before
South Korea: 4266 people. U.S.: 4375 people. Among them, we just keep first 4252 people, following the PAP.
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After
South Korea: 4734 people. U.S.: 4778 people.
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Field
Final Sample Size (or Number of Clusters) by Treatment Arms
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Before
South Korea: 2147 treated, 2119 control. US: 2173 treated, 2202 control.
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After
South Korea: 2314 people. U.S.: 2879 people
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