1,786
Participants
Start Date
December 30, 2022
Primary Completion Date
February 27, 2025
Study Completion Date
February 27, 2025
General Psych Trait Measure
Respondents were randomized to answer whether psychological trait questions were general or about vaccines
Vaccine-Specific Psych Trait Measures
Respondents were randomized to answer whether psychological trait questions were general or about vaccines
University of Iowa, Iowa City
National Institute on Aging (NIA)
NIH
University of Iowa
OTHER