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Individual Psychological Responses to the SARS-CoV-2 Pandemic: Different Clusters and Their Relation to Risk-Reducing Behavior

Understanding individual difference in psychological responses toward the Coronavirus (SARS-CoV-2) crisis is essential to the adequate handling of the current pandemic. Based on a sample of 1,182 American adult residents (stratified for age and gender; data collection March 13 to 15, 2020), we found three distinct clusters of psychological responses (i.e., informed, panic, and ignorant). Clusters differed regarding their knowledge about the virus, SARS-CoV-2-related anxiety (i.e., worry and emotionality), and evaluation of the SARS-CoV-2 crisis’s severity. Cluster membership was strongly associated with both SARS-CoV-2 risk-reducing, reasonable behavior and unreasonable behavior. Finally, clusters could be linked to systematic differences in broader personality dimensions (i.e., Dark Triad and Big Five). Our study provides and validates a set of clusters of individual psychological responses to the SARS-CoV-2 pandemic and the resulting behavior. It functions as a pivotal starting point for longitudinal observations on the effectiveness of public health communications in this global challenge.