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Field
Last Published
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Before
October 27, 2025 09:20 AM
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After
November 24, 2025 09:06 AM
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Field
Planned Number of Clusters
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Before
Sample size (clusters): 2000 groups
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After
Sample size (clusters): 1600 groups
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Field
Planned Number of Observations
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Before
Sample size (observations): 4000 individuals
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After
Sample size (observations): 3200 individuals
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Field
Sample size (or number of clusters) by treatment arms
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Before
Sample size by treatment arms: 1000 individuals (500 groups) in each treatment; intended sample size of 250 Black worker groups and 250 white worker groups in each treatment. Note that these are the pre-exclusion criteria sample sizes.
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After
Sample size by treatment arms: 800 individuals (400 groups) in each treatment; intended sample size of 200 Black worker groups and 200 white worker groups in each treatment. Note that the total sample size reflects the number of "completes."
The survey is considered incomplete if any of the following occur:
- They drop out at any point during the study.
- They fail an attention check.
- They time out of the survey.
- They fail the CAPTCHA on the first page.
- They are not matched with a partner.
- Their partner drops out.
A participant is considered a complete if and only if they finish the entire survey and reach the final page where they submit the completion code.
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