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Abstract
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Before
This study uses a survey-based experiment to test whether the provision of descriptive social norm information, namely, the share of other study participants who intend to receive COVID-19 vaccinations, influences the likelihood a student declares their own intention to get vaccinated.
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After
This study uses a survey-based experiment to test how the provision of descriptive social norm information, namely, the share of other study participants who intend to receive COVID-19 vaccinations, influences a student's perceptions of COVID-19 and stated intention of vaccination.
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Last Published
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Before
May 06, 2021 06:18 AM
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After
May 25, 2021 06:03 PM
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Primary Outcomes (End Points)
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Before
Stated intention to vaccinate against COVID-19
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After
Stated intention to vaccinate against COVID-19, Subjective probability of vaccination by June 30, Estimated percent of students at same university who will be fully vaccinated at the start of fall semester, and Expected number of cases of COVID-19 at the university in Fall 2021.
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Planned Number of Observations
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Before
1000 students
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After
500-1000 students
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Sample size (or number of clusters) by treatment arms
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Before
One half (est. 500) receiving information treatment
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After
One half receiving information treatment
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Secondary Outcomes (End Points)
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Before
Vaccination by June 30
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After
Perceptions of risks of COVID-19 vaccines, Vaccination by June 30 if not yet vaccinated at time of survey
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Secondary Outcomes (Explanation)
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Before
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After
A number of questions regarding COVID-19 vaccination risks and side effects will be normalized and averaged for this secondary outcome. For a subset of consented participants, vaccination records will be searched through the state registry.
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