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Field
Trial Start Date
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Before
August 09, 2021
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After
August 24, 2021
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Field
Last Published
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Before
July 31, 2021 08:10 PM
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After
August 24, 2021 03:46 PM
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Field
Intervention (Public)
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Before
Participants will be exposed to content supporting racial justice.
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After
See the pre-analysis plan.
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Field
Intervention Start Date
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Before
August 16, 2021
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After
August 25, 2021
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Field
Primary Outcomes (End Points)
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Before
The key outcome variables are beliefs, attitude, and behavior related to racial discrimination.
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After
See the pre-analysis plan.
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Field
Experimental Design (Public)
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Before
The experiment will be conducted online.
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After
See the pre-analysis plan.
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Field
Randomization Method
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Before
The randomization will be done by a computer.
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After
See the pre-analysis plan.
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Field
Randomization Unit
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Before
The unit of randomization is individual.
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After
See the pre-analysis plan.
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Field
Planned Number of Observations
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Before
1000
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After
See the pre-analysis plan.
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Field
Sample size (or number of clusters) by treatment arms
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Before
250 per treatment arm.
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After
See the pre-analysis plan.
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Field
Intervention (Hidden)
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Before
To study the immediate effect of exposure to social media content, I will recruit 1000 participants from Amazon Mechanical Turk to perform a classification task. Participants are shown a list of tweets to classify whether it is race-related and its intent. The exposure to the list to classify is randomized: participants in Control see a list of randomly selected tweets, while participants in Treatment see a list that includes race-related tweets from top civil rights accounts. After the task, I elicit beliefs and attitudes towards race-related issues and racial minorities. I then look at the effect of exposure by content type and intensity.
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After
See the pre-analysis plan.
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Field
Building on Existing Work
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Before
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After
No
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