Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
4000 participants
INTERVENTIONAL
2020-07-03
2020-07-08
Brief Summary
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Study participants are recruited online by Lucid, which matches census based sampling in online recruitment.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
OTHER
NONE
Study Groups
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Control
Control message about birdfeeding
Control message
2/15 of the sample will be assigned to the pure control group, which is a passage on the costs and benefits of bird feeding.
Baseline message
These participants will be assigned a message about the benefits of vaccination. All other treatment arms include this baseline language.
Baseline message
3/15 of the sample will be assigned to a control group with a message about the effectiveness and safety of vaccines.
Personal freedom
Experimental message arm.
Personal freedom message
1/15 of the sample will be assigned to this intervention, which is a message about how COVID-19 is limiting people's personal freedom and by working together to get enough people vaccinated society can preserve its personal freedom.
Economic freedom
Experimental message arm.
Economic freedom message
1/15 of the sample will be assigned to this intervention, which is a message about how COVID-19 is limiting peoples's economic freedom and by working together to get enough people vaccinated society can preserve its economic freedom.
Social benefit, self-interest
Experimental message arm.
Self-interest message
1/15 of the sample will be assigned to this intervention, which is a message that COVID-19 presents a real danger to one's health, even if one is young and healthy. Getting vaccinated against COVID-19 is the best way to prevent oneself from getting sick.
Social benefit, community interest
Experimental message arm.
Community interest message
1/15 of the sample will be assigned to this intervention, which is a message about the dangers of COVID-19 to the health of loved ones. The more people who get vaccinated against COVID-19, the lower the risk that one's loved ones will get sick. Society must work together and all get vaccinated.
Economic benefit
Experimental message arm.
Economic benefit message
1/15 of the sample will be assigned to this group, which is a message about how COVID-19 is wreaking havoc on the economy and the only way to strengthen the economy is to work together to get enough people vaccinated.
Social pressure- guilt
Experimental message arm.
Guilt message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one's family and community. The best way to protect them is by getting vaccinated and society must work together to get enough people vaccinated. Then it asks the participant to imagine the guilt they will feel if they don't get vaccinated and spread the disease.
Social pressure- embarrassment
Experimental message arm.
Embarrassment message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one's family and community. The best way to protect them is by getting vaccinated and by working together to make sure that enough people get vaccinated. Then it asks the participant to imagine the embarrassment they will feel if they don't get vaccinated and spread the disease.
Social pressure- anger
Experimental message arm.
Anger message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one's family and community. The best way to protect them is by getting vaccinated and by working together to make sure that enough people get vaccinated. Then it asks the participant to imagine the anger they will feel if they don't get vaccinated and spread the disease.
Trust in science
Experimental message arm.
Trust in science message
1/15 of the sample will be assigned to this message about how getting vaccinated against COVID-19 is the most effective way of protecting one's community. Vaccination is backed by science. If one doesn't get vaccinated that means that one doesn't understand how infections are spread or who ignores science.
Not bravery arm
Experimental message arm.
Not bravery message
1/15 of the sample will be assigned to this message which describes how firefighters, doctors, and front line medical workers are brave. Those who choose not to get vaccinated against COVID-19 are not brave.
Interventions
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Control message
2/15 of the sample will be assigned to the pure control group, which is a passage on the costs and benefits of bird feeding.
Baseline message
3/15 of the sample will be assigned to a control group with a message about the effectiveness and safety of vaccines.
Personal freedom message
1/15 of the sample will be assigned to this intervention, which is a message about how COVID-19 is limiting people's personal freedom and by working together to get enough people vaccinated society can preserve its personal freedom.
Economic freedom message
1/15 of the sample will be assigned to this intervention, which is a message about how COVID-19 is limiting peoples's economic freedom and by working together to get enough people vaccinated society can preserve its economic freedom.
Self-interest message
1/15 of the sample will be assigned to this intervention, which is a message that COVID-19 presents a real danger to one's health, even if one is young and healthy. Getting vaccinated against COVID-19 is the best way to prevent oneself from getting sick.
Community interest message
1/15 of the sample will be assigned to this intervention, which is a message about the dangers of COVID-19 to the health of loved ones. The more people who get vaccinated against COVID-19, the lower the risk that one's loved ones will get sick. Society must work together and all get vaccinated.
Economic benefit message
1/15 of the sample will be assigned to this group, which is a message about how COVID-19 is wreaking havoc on the economy and the only way to strengthen the economy is to work together to get enough people vaccinated.
Guilt message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one's family and community. The best way to protect them is by getting vaccinated and society must work together to get enough people vaccinated. Then it asks the participant to imagine the guilt they will feel if they don't get vaccinated and spread the disease.
Embarrassment message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one's family and community. The best way to protect them is by getting vaccinated and by working together to make sure that enough people get vaccinated. Then it asks the participant to imagine the embarrassment they will feel if they don't get vaccinated and spread the disease.
Anger message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one's family and community. The best way to protect them is by getting vaccinated and by working together to make sure that enough people get vaccinated. Then it asks the participant to imagine the anger they will feel if they don't get vaccinated and spread the disease.
Trust in science message
1/15 of the sample will be assigned to this message about how getting vaccinated against COVID-19 is the most effective way of protecting one's community. Vaccination is backed by science. If one doesn't get vaccinated that means that one doesn't understand how infections are spread or who ignores science.
Not bravery message
1/15 of the sample will be assigned to this message which describes how firefighters, doctors, and front line medical workers are brave. Those who choose not to get vaccinated against COVID-19 are not brave.
Eligibility Criteria
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Inclusion Criteria
* US resident
Exclusion Criteria
* Non-US resident
* Do not consent
18 Years
ALL
Yes
Sponsors
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Yale University
OTHER
Responsible Party
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Locations
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Yale University
New Haven, Connecticut, United States
Countries
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References
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James EK, Bokemper SE, Gerber AS, Omer SB, Huber GA. Persuasive messaging to increase COVID-19 vaccine uptake intentions. Vaccine. 2021 Dec 3;39(49):7158-7165. doi: 10.1016/j.vaccine.2021.10.039. Epub 2021 Oct 22.
Other Identifiers
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2000027983
Identifier Type: -
Identifier Source: org_study_id
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