Risk perception of the COVID-19 vaccines: revisiting the psychometric paradigm

Americans' concerns about the risks of vaccination are rising in recent years. In the original piece that explicated the psychometric paradigm, vaccinations were rated as less dreaded and less unknown. However, in 2016, vaccinations were more dreaded and more unknown in the public eye. A national survey (N = 1025) conducted in August 2021 reflects this trend in risk perception of the COVID-19 vaccines. Individuals who report different risk perceptions based on the unknown and dread characteristics associated with the COVID-19 vaccines also report different behavioral intent toward the vaccines. Overall, these findings show unknown risk to have a more salient impact on participants' risk perception that influence their vaccine-related decisions.