Table 1.
Survey experiment conditions and response options.
| Group | Independent Variable: Question Vignette |
|---|---|
| Control Template | As you know, the Covid-19 (coronavirus) pandemic is impacting the United States: about 24 million people have been infected with this virus, and over 400 thousand people have died from it. There are now highly effective Covid-19 vaccines. If access is not an issue, are you willing to get the coronavirus (Covid-19) vaccine? |
| Actor Demonstration Template | As you know, the Covid-19 (coronavirus) pandemic is impacting the United States: about 24 million people have been infected with this virus, and over 400 thousand people have died from it. There are now highly effective Covid-19 vaccines. The picture below shows[insert actor title, actor name], receiving the vaccine in December 2020. If access is not an issue, are you willing get the coronavirus (Covid-19) vaccine? |
| Treatment1 | “a critical care nurse, Sandra Lindsay” |
| Treatment2 | “the Director of the National Institute of Allergy and Infectious Diseases, Dr. Anthony S. Fauci” |
| Actor Textual Endorsement Template | As you know, the Covid-19 (coronavirus) pandemic is impacting the United States: about 24 million people have been infected with this virus, and over 400 thousand people have died from it. There are now highly effective Covid-19 vaccines. [Insert actor title and actor name]has publicly endorsed getting vaccinated against Covid-19. If access is not an issue, are you willing get the coronavirus (Covid-19) vaccine? |
| Treatment3 | “The 46th President of the United States, Joseph R. Biden,” |
| Treatment4 | “The 45th President of the United States, Donald J. Trump,” |
| Treatment5 | “Director of the National Institute of Allergy and Infectious Diseases Dr. Anthony S. Fauci” |
| Substantive Textual Message Template | As you know, the Covid-19 (coronavirus) pandemic is impacting the United States: about 24 million people have been infected with this virus, and over 400 thousand people have died from it. There are now highly effective Covid-19 vaccines. [Insert substantive frame] If access is not an issue, are you willing get the coronavirus (Covid-19) vaccine? |
| Treatment6 | “The Food and Drug Administration's (FDA) 23-member panel of medical experts including physicians, statisticians, chemists, pharmacologists and other scientists—which evaluates new vaccines before they are released to the public—recently approved Covid-19 vaccines for public use.” |
| Treatment7 | “The negative economic impact of the pandemic is similar to the worst recessions this country has experienced—widespread unemployment, business closures, and food and housing insecurity.” |
| Dependent Variable: Response Options (Coded Numerical Value) | |
| “Yes, whenever available” (6) | |
| “Maybe, but not immediately” [Trigger follow-up question:] “Starting from today, when would you be most willing to get the coronavirus (Covid-19) vaccine?” | |
| “Within the month” (5) | |
| “Between 1 and 3 months” (4) | |
| “Over 3 months–6 months” (3) | |
| “Over 6 months to 1 year” (2) | |
| “Over 1 year” (1) | |
| “No, I am not willing” (0) | |